640872000

素因数分解:

$2^6\times 3^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 560

約数和(自身を含む): 2531498112

約数和(自身を除く): 1890626112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 27, 30, 32, 36, 40, 43, 45, 46, 48, 50, 54, 60, 64, 69, 72, 75, 80, 81, 86, 90, 92, 96, 100, 108, 115, 120, 125, 129, 135, 138, 144, 150, 160, 162, 172, 180, 184, 192, 200, 207, 215, 216, 225, 230, 240, 250, 258, 270, 276, 288, 300, 320, 324, 344, 345, 360, 368, 375, 387, 400, 405, 414, 430, 432, 450, 460, 480, 500, 516, 540, 552, 575, 576, 600, 621, 645, 648, 675, 688, 690, 720, 736, 750, 774, 800, 810, 828, 860, 864, 900, 920, 960, 989, 1000, 1032, 1035, 1075, 1080, 1104, 1125, 1150, 1161, 1200, 1242, 1290, 1296, 1350, 1376, 1380, 1440, 1472, 1500, 1548, 1600, 1620, 1656, 1720, 1725, 1728, 1800, 1840, 1863, 1935, 1978, 2000, 2025, 2064, 2070, 2150, 2160, 2208, 2250, 2300, 2322, 2400, 2484, 2580, 2592, 2700, 2752, 2760, 2875, 2880, 2967, 3000, 3096, 3105, 3225, 3240, 3312, 3375, 3440, 3450, 3483, 3600, 3680, 3726, 3870, 3956, 4000, 4050, 4128, 4140, 4300, 4320, 4416, 4500, 4600, 4644, 4800, 4945, 4968, 5160, 5175, 5184, 5375, 5400, 5520, 5750, 5805, 5934, 6000, 6192, 6210, 6450, 6480, 6624, 6750, 6880, 6900, 6966, 7200, 7360, 7452, 7740, 7912, 8000, 8100, 8256, 8280, 8600, 8625, 8640, 8901, 9000, 9200, 9288, 9315, 9675, 9890, 9936, 10125, 10320, 10350, 10750, 10800, 11040, 11500, 11610, 11868, 12000, 12384, 12420, 12900, 12960, 13248, 13500, 13760, 13800, 13932, 14400, 14835, 14904, 15480, 15525, 15824, 16125, 16200, 16560, 17200, 17250, 17415, 17802, 18000, 18400, 18576, 18630, 19350, 19780, 19872, 20250, 20640, 20700, 21500, 21600, 22080, 23000, 23220, 23736, 24000, 24725, 24768, 24840, 25800, 25875, 25920, 26703, 27000, 27600, 27864, 29025, 29670, 29808, 30960, 31050, 31648, 32250, 32400, 33120, 34400, 34500, 34830, 35604, 36000, 36800, 37152, 37260, 38700, 39560, 39744, 40500, 41280, 41400, 43000, 43200, 44505, 46000, 46440, 46575, 47472, 48375, 49450, 49680, 51600, 51750, 53406, 54000, 55200, 55728, 58050, 59340, 59616, 61920, 62100, 63296, 64500, 64800, 66240, 68800, 69000, 69660, 71208, 72000, 74175, 74304, 74520, 77400, 77625, 79120, 80109, 81000, 82800, 86000, 87075, 89010, 92000, 92880, 93150, 94944, 96750, 98900, 99360, 103200, 103500, 106812, 108000, 110400, 111456, 116100, 118680, 119232, 123625, 123840, 124200, 129000, 129600, 133515, 138000, 139320, 142416, 145125, 148350, 149040, 154800, 155250, 158240, 160218, 162000, 165600, 172000, 174150, 178020, 184000, 185760, 186300, 189888, 193500, 197800, 198720, 206400, 207000, 213624, 216000, 222525, 222912, 232200, 232875, 237360, 247250, 248400, 258000, 267030, 276000, 278640, 284832, 290250, 296700, 298080, 309600, 310500, 316480, 320436, 324000, 331200, 344000, 348300, 356040, 370875, 371520, 372600, 387000, 395600, 400545, 414000, 427248, 435375, 445050, 464400, 465750, 474720, 494500, 496800, 516000, 534060, 552000, 557280, 569664, 580500, 593400, 596160, 619200, 621000, 640872, 648000, 667575, 696600, 712080, 741750, 745200, 774000, 791200, 801090, 828000, 854496, 870750, 890100, 928800, 931500, 949440, 989000, 993600, 1032000, 1068120, 1112625, 1114560, 1161000, 1186800, 1242000, 1281744, 1335150, 1393200, 1424160, 1483500, 1490400, 1548000, 1582400, 1602180, 1656000, 1708992, 1741500, 1780200, 1857600, 1863000, 1978000, 2002725, 2136240, 2225250, 2322000, 2373600, 2484000, 2563488, 2670300, 2786400, 2848320, 2967000, 2980800, 3096000, 3204360, 3337875, 3483000, 3560400, 3726000, 3956000, 4005450, 4272480, 4450500, 4644000, 4747200, 4968000, 5126976, 5340600, 5572800, 5934000, 6408720, 6675750, 6966000, 7120800, 7452000, 7912000, 8010900, 8544960, 8901000, 9288000, 10013625, 10681200, 11868000, 12817440, 13351500, 13932000, 14241600, 14904000, 16021800, 17802000, 20027250, 21362400, 23736000, 25634880, 26703000, 27864000, 32043600, 35604000, 40054500, 42724800, 53406000, 64087200, 71208000, 80109000, 106812000, 128174400, 160218000, 213624000, 320436000, 640872000]

約数ペア:

[(1, 640872000), (2, 320436000), (3, 213624000), (4, 160218000), (5, 128174400), (6, 106812000), (8, 80109000), (9, 71208000), (10, 64087200), (12, 53406000), (15, 42724800), (16, 40054500), (18, 35604000), (20, 32043600), (23, 27864000), (24, 26703000), (25, 25634880), (27, 23736000), (30, 21362400), (32, 20027250), (36, 17802000), (40, 16021800), (43, 14904000), (45, 14241600), (46, 13932000), (48, 13351500), (50, 12817440), (54, 11868000), (60, 10681200), (64, 10013625), (69, 9288000), (72, 8901000), (75, 8544960), (80, 8010900), (81, 7912000), (86, 7452000), (90, 7120800), (92, 6966000), (96, 6675750), (100, 6408720), (108, 5934000), (115, 5572800), (120, 5340600), (125, 5126976), (129, 4968000), (135, 4747200), (138, 4644000), (144, 4450500), (150, 4272480), (160, 4005450), (162, 3956000), (172, 3726000), (180, 3560400), (184, 3483000), (192, 3337875), (200, 3204360), (207, 3096000), (215, 2980800), (216, 2967000), (225, 2848320), (230, 2786400), (240, 2670300), (250, 2563488), (258, 2484000), (270, 2373600), (276, 2322000), (288, 2225250), (300, 2136240), (320, 2002725), (324, 1978000), (344, 1863000), (345, 1857600), (360, 1780200), (368, 1741500), (375, 1708992), (387, 1656000), (400, 1602180), (405, 1582400), (414, 1548000), (430, 1490400), (432, 1483500), (450, 1424160), (460, 1393200), (480, 1335150), (500, 1281744), (516, 1242000), (540, 1186800), (552, 1161000), (575, 1114560), (576, 1112625), (600, 1068120), (621, 1032000), (645, 993600), (648, 989000), (675, 949440), (688, 931500), (690, 928800), (720, 890100), (736, 870750), (750, 854496), (774, 828000), (800, 801090), (810, 791200), (828, 774000), (860, 745200), (864, 741750), (900, 712080), (920, 696600), (960, 667575), (989, 648000), (1000, 640872), (1032, 621000), (1035, 619200), (1075, 596160), (1080, 593400), (1104, 580500), (1125, 569664), (1150, 557280), (1161, 552000), (1200, 534060), (1242, 516000), (1290, 496800), (1296, 494500), (1350, 474720), (1376, 465750), (1380, 464400), (1440, 445050), (1472, 435375), (1500, 427248), (1548, 414000), (1600, 400545), (1620, 395600), (1656, 387000), (1720, 372600), (1725, 371520), (1728, 370875), (1800, 356040), (1840, 348300), (1863, 344000), (1935, 331200), (1978, 324000), (2000, 320436), (2025, 316480), (2064, 310500), (2070, 309600), (2150, 298080), (2160, 296700), (2208, 290250), (2250, 284832), (2300, 278640), (2322, 276000), (2400, 267030), (2484, 258000), (2580, 248400), (2592, 247250), (2700, 237360), (2752, 232875), (2760, 232200), (2875, 222912), (2880, 222525), (2967, 216000), (3000, 213624), (3096, 207000), (3105, 206400), (3225, 198720), (3240, 197800), (3312, 193500), (3375, 189888), (3440, 186300), (3450, 185760), (3483, 184000), (3600, 178020), (3680, 174150), (3726, 172000), (3870, 165600), (3956, 162000), (4000, 160218), (4050, 158240), (4128, 155250), (4140, 154800), (4300, 149040), (4320, 148350), (4416, 145125), (4500, 142416), (4600, 139320), (4644, 138000), (4800, 133515), (4945, 129600), (4968, 129000), (5160, 124200), (5175, 123840), (5184, 123625), (5375, 119232), (5400, 118680), (5520, 116100), (5750, 111456), (5805, 110400), (5934, 108000), (6000, 106812), (6192, 103500), (6210, 103200), (6450, 99360), (6480, 98900), (6624, 96750), (6750, 94944), (6880, 93150), (6900, 92880), (6966, 92000), (7200, 89010), (7360, 87075), (7452, 86000), (7740, 82800), (7912, 81000), (8000, 80109), (8100, 79120), (8256, 77625), (8280, 77400), (8600, 74520), (8625, 74304), (8640, 74175), (8901, 72000), (9000, 71208), (9200, 69660), (9288, 69000), (9315, 68800), (9675, 66240), (9890, 64800), (9936, 64500), (10125, 63296), (10320, 62100), (10350, 61920), (10750, 59616), (10800, 59340), (11040, 58050), (11500, 55728), (11610, 55200), (11868, 54000), (12000, 53406), (12384, 51750), (12420, 51600), (12900, 49680), (12960, 49450), (13248, 48375), (13500, 47472), (13760, 46575), (13800, 46440), (13932, 46000), (14400, 44505), (14835, 43200), (14904, 43000), (15480, 41400), (15525, 41280), (15824, 40500), (16125, 39744), (16200, 39560), (16560, 38700), (17200, 37260), (17250, 37152), (17415, 36800), (17802, 36000), (18000, 35604), (18400, 34830), (18576, 34500), (18630, 34400), (19350, 33120), (19780, 32400), (19872, 32250), (20250, 31648), (20640, 31050), (20700, 30960), (21500, 29808), (21600, 29670), (22080, 29025), (23000, 27864), (23220, 27600), (23736, 27000), (24000, 26703), (24725, 25920), (24768, 25875), (24840, 25800)]