640003680

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 384

約数和(自身を含む): 2380492800

約数和(自身を除く): 1740489120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 59, 60, 62, 72, 80, 81, 90, 93, 96, 108, 118, 120, 124, 135, 144, 155, 160, 162, 177, 180, 186, 216, 236, 240, 243, 248, 270, 279, 288, 295, 310, 324, 354, 360, 372, 405, 432, 465, 472, 480, 486, 496, 531, 540, 558, 590, 620, 648, 708, 720, 729, 744, 810, 837, 864, 885, 930, 944, 972, 992, 1062, 1080, 1116, 1180, 1215, 1240, 1296, 1395, 1416, 1440, 1458, 1488, 1593, 1620, 1674, 1770, 1829, 1860, 1888, 1944, 2124, 2160, 2187, 2232, 2360, 2430, 2480, 2511, 2592, 2655, 2790, 2832, 2916, 2976, 3186, 3240, 3348, 3540, 3645, 3658, 3720, 3888, 4185, 4248, 4320, 4374, 4464, 4720, 4779, 4860, 4960, 5022, 5310, 5487, 5580, 5664, 5832, 6372, 6480, 6696, 7080, 7290, 7316, 7440, 7533, 7776, 7965, 8370, 8496, 8748, 8928, 9145, 9440, 9558, 9720, 10044, 10620, 10935, 10974, 11160, 11664, 12555, 12744, 12960, 13392, 14160, 14337, 14580, 14632, 14880, 15066, 15930, 16461, 16740, 16992, 17496, 18290, 19116, 19440, 20088, 21240, 21870, 21948, 22320, 22599, 23328, 23895, 25110, 25488, 26784, 27435, 28320, 28674, 29160, 29264, 30132, 31860, 32922, 33480, 34992, 36580, 37665, 38232, 38880, 40176, 42480, 43011, 43740, 43896, 44640, 45198, 47790, 49383, 50220, 50976, 54870, 57348, 58320, 58528, 60264, 63720, 65844, 66960, 67797, 69984, 71685, 73160, 75330, 76464, 80352, 82305, 84960, 86022, 87480, 87792, 90396, 95580, 98766, 100440, 109740, 112995, 114696, 116640, 120528, 127440, 129033, 131688, 133920, 135594, 143370, 146320, 148149, 150660, 152928, 164610, 172044, 174960, 175584, 180792, 191160, 197532, 200880, 215055, 219480, 225990, 229392, 241056, 246915, 254880, 258066, 263376, 271188, 286740, 292640, 296298, 301320, 329220, 338985, 344088, 349920, 361584, 382320, 395064, 401760, 430110, 438960, 444447, 451980, 458784, 493830, 516132, 526752, 542376, 573480, 592596, 602640, 645165, 658440, 677970, 688176, 723168, 740745, 764640, 790128, 860220, 877920, 888894, 903960, 987660, 1032264, 1084752, 1146960, 1185192, 1205280, 1290330, 1316880, 1333341, 1355940, 1376352, 1481490, 1580256, 1720440, 1777788, 1807920, 1975320, 2064528, 2169504, 2222235, 2293920, 2370384, 2580660, 2633760, 2666682, 2711880, 2962980, 3440880, 3555576, 3615840, 3950640, 4000023, 4129056, 4444470, 4740768, 5161320, 5333364, 5423760, 5925960, 6666705, 6881760, 7111152, 7901280, 8000046, 8888940, 10322640, 10666728, 10847520, 11851920, 13333410, 14222304, 16000092, 17777880, 20000115, 20645280, 21333456, 23703840, 26666820, 32000184, 35555760, 40000230, 42666912, 53333640, 64000368, 71111520, 80000460, 106667280, 128000736, 160000920, 213334560, 320001840, 640003680]

約数ペア:

[(1, 640003680), (2, 320001840), (3, 213334560), (4, 160000920), (5, 128000736), (6, 106667280), (8, 80000460), (9, 71111520), (10, 64000368), (12, 53333640), (15, 42666912), (16, 40000230), (18, 35555760), (20, 32000184), (24, 26666820), (27, 23703840), (30, 21333456), (31, 20645280), (32, 20000115), (36, 17777880), (40, 16000092), (45, 14222304), (48, 13333410), (54, 11851920), (59, 10847520), (60, 10666728), (62, 10322640), (72, 8888940), (80, 8000046), (81, 7901280), (90, 7111152), (93, 6881760), (96, 6666705), (108, 5925960), (118, 5423760), (120, 5333364), (124, 5161320), (135, 4740768), (144, 4444470), (155, 4129056), (160, 4000023), (162, 3950640), (177, 3615840), (180, 3555576), (186, 3440880), (216, 2962980), (236, 2711880), (240, 2666682), (243, 2633760), (248, 2580660), (270, 2370384), (279, 2293920), (288, 2222235), (295, 2169504), (310, 2064528), (324, 1975320), (354, 1807920), (360, 1777788), (372, 1720440), (405, 1580256), (432, 1481490), (465, 1376352), (472, 1355940), (480, 1333341), (486, 1316880), (496, 1290330), (531, 1205280), (540, 1185192), (558, 1146960), (590, 1084752), (620, 1032264), (648, 987660), (708, 903960), (720, 888894), (729, 877920), (744, 860220), (810, 790128), (837, 764640), (864, 740745), (885, 723168), (930, 688176), (944, 677970), (972, 658440), (992, 645165), (1062, 602640), (1080, 592596), (1116, 573480), (1180, 542376), (1215, 526752), (1240, 516132), (1296, 493830), (1395, 458784), (1416, 451980), (1440, 444447), (1458, 438960), (1488, 430110), (1593, 401760), (1620, 395064), (1674, 382320), (1770, 361584), (1829, 349920), (1860, 344088), (1888, 338985), (1944, 329220), (2124, 301320), (2160, 296298), (2187, 292640), (2232, 286740), (2360, 271188), (2430, 263376), (2480, 258066), (2511, 254880), (2592, 246915), (2655, 241056), (2790, 229392), (2832, 225990), (2916, 219480), (2976, 215055), (3186, 200880), (3240, 197532), (3348, 191160), (3540, 180792), (3645, 175584), (3658, 174960), (3720, 172044), (3888, 164610), (4185, 152928), (4248, 150660), (4320, 148149), (4374, 146320), (4464, 143370), (4720, 135594), (4779, 133920), (4860, 131688), (4960, 129033), (5022, 127440), (5310, 120528), (5487, 116640), (5580, 114696), (5664, 112995), (5832, 109740), (6372, 100440), (6480, 98766), (6696, 95580), (7080, 90396), (7290, 87792), (7316, 87480), (7440, 86022), (7533, 84960), (7776, 82305), (7965, 80352), (8370, 76464), (8496, 75330), (8748, 73160), (8928, 71685), (9145, 69984), (9440, 67797), (9558, 66960), (9720, 65844), (10044, 63720), (10620, 60264), (10935, 58528), (10974, 58320), (11160, 57348), (11664, 54870), (12555, 50976), (12744, 50220), (12960, 49383), (13392, 47790), (14160, 45198), (14337, 44640), (14580, 43896), (14632, 43740), (14880, 43011), (15066, 42480), (15930, 40176), (16461, 38880), (16740, 38232), (16992, 37665), (17496, 36580), (18290, 34992), (19116, 33480), (19440, 32922), (20088, 31860), (21240, 30132), (21870, 29264), (21948, 29160), (22320, 28674), (22599, 28320), (23328, 27435), (23895, 26784), (25110, 25488)]