1981534320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 320

約数和(自身を含む): 7328102400

約数和(自身を除く): 5346568080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 53, 54, 57, 60, 72, 76, 80, 90, 95, 106, 108, 114, 120, 135, 144, 152, 159, 171, 180, 190, 212, 216, 228, 240, 265, 270, 285, 304, 318, 342, 360, 380, 424, 432, 456, 477, 513, 530, 540, 570, 636, 684, 720, 760, 795, 848, 855, 911, 912, 954, 1007, 1026, 1060, 1080, 1140, 1272, 1368, 1431, 1520, 1590, 1710, 1822, 1908, 2014, 2052, 2120, 2160, 2280, 2385, 2544, 2565, 2733, 2736, 2862, 3021, 3180, 3420, 3644, 3816, 4028, 4104, 4240, 4555, 4560, 4770, 5035, 5130, 5466, 5724, 6042, 6360, 6840, 7155, 7288, 7632, 8056, 8199, 8208, 9063, 9110, 9540, 10070, 10260, 10932, 11448, 12084, 12720, 13665, 13680, 14310, 14576, 15105, 16112, 16398, 17309, 18126, 18220, 19080, 20140, 20520, 21864, 22896, 24168, 24597, 27189, 27330, 28620, 30210, 32796, 34618, 36252, 36440, 38160, 40280, 40995, 41040, 43728, 45315, 48283, 48336, 49194, 51927, 54378, 54660, 57240, 60420, 65592, 69236, 72504, 72880, 80560, 81990, 86545, 90630, 96566, 98388, 103854, 108756, 109320, 114480, 120840, 122985, 131184, 135945, 138472, 144849, 145008, 155781, 163980, 173090, 181260, 193132, 196776, 207708, 217512, 218640, 241415, 241680, 245970, 259635, 271890, 276944, 289698, 311562, 327960, 346180, 362520, 386264, 393552, 415416, 434547, 435024, 467343, 482830, 491940, 519270, 543780, 579396, 623124, 655920, 692360, 724245, 725040, 772528, 778905, 830832, 869094, 917377, 934686, 965660, 983880, 1038540, 1087560, 1158792, 1246248, 1303641, 1384720, 1448490, 1557810, 1738188, 1834754, 1869372, 1931320, 1967760, 2077080, 2172735, 2175120, 2317584, 2336715, 2492496, 2607282, 2752131, 2896980, 3115620, 3476376, 3669508, 3738744, 3862640, 4154160, 4345470, 4586885, 4673430, 5214564, 5504262, 5793960, 6231240, 6518205, 6952752, 7339016, 7477488, 8256393, 8690940, 9173770, 9346860, 10429128, 11008524, 11587920, 12462480, 13036410, 13760655, 14678032, 16512786, 17381880, 18347540, 18693720, 20858256, 22017048, 24769179, 26072820, 27521310, 33025572, 34763760, 36695080, 37387440, 41281965, 44034096, 49538358, 52145640, 55042620, 66051144, 73390160, 82563930, 99076716, 104291280, 110085240, 123845895, 132102288, 165127860, 198153432, 220170480, 247691790, 330255720, 396306864, 495383580, 660511440, 990767160, 1981534320]

約数ペア:

[(1, 1981534320), (2, 990767160), (3, 660511440), (4, 495383580), (5, 396306864), (6, 330255720), (8, 247691790), (9, 220170480), (10, 198153432), (12, 165127860), (15, 132102288), (16, 123845895), (18, 110085240), (19, 104291280), (20, 99076716), (24, 82563930), (27, 73390160), (30, 66051144), (36, 55042620), (38, 52145640), (40, 49538358), (45, 44034096), (48, 41281965), (53, 37387440), (54, 36695080), (57, 34763760), (60, 33025572), (72, 27521310), (76, 26072820), (80, 24769179), (90, 22017048), (95, 20858256), (106, 18693720), (108, 18347540), (114, 17381880), (120, 16512786), (135, 14678032), (144, 13760655), (152, 13036410), (159, 12462480), (171, 11587920), (180, 11008524), (190, 10429128), (212, 9346860), (216, 9173770), (228, 8690940), (240, 8256393), (265, 7477488), (270, 7339016), (285, 6952752), (304, 6518205), (318, 6231240), (342, 5793960), (360, 5504262), (380, 5214564), (424, 4673430), (432, 4586885), (456, 4345470), (477, 4154160), (513, 3862640), (530, 3738744), (540, 3669508), (570, 3476376), (636, 3115620), (684, 2896980), (720, 2752131), (760, 2607282), (795, 2492496), (848, 2336715), (855, 2317584), (911, 2175120), (912, 2172735), (954, 2077080), (1007, 1967760), (1026, 1931320), (1060, 1869372), (1080, 1834754), (1140, 1738188), (1272, 1557810), (1368, 1448490), (1431, 1384720), (1520, 1303641), (1590, 1246248), (1710, 1158792), (1822, 1087560), (1908, 1038540), (2014, 983880), (2052, 965660), (2120, 934686), (2160, 917377), (2280, 869094), (2385, 830832), (2544, 778905), (2565, 772528), (2733, 725040), (2736, 724245), (2862, 692360), (3021, 655920), (3180, 623124), (3420, 579396), (3644, 543780), (3816, 519270), (4028, 491940), (4104, 482830), (4240, 467343), (4555, 435024), (4560, 434547), (4770, 415416), (5035, 393552), (5130, 386264), (5466, 362520), (5724, 346180), (6042, 327960), (6360, 311562), (6840, 289698), (7155, 276944), (7288, 271890), (7632, 259635), (8056, 245970), (8199, 241680), (8208, 241415), (9063, 218640), (9110, 217512), (9540, 207708), (10070, 196776), (10260, 193132), (10932, 181260), (11448, 173090), (12084, 163980), (12720, 155781), (13665, 145008), (13680, 144849), (14310, 138472), (14576, 135945), (15105, 131184), (16112, 122985), (16398, 120840), (17309, 114480), (18126, 109320), (18220, 108756), (19080, 103854), (20140, 98388), (20520, 96566), (21864, 90630), (22896, 86545), (24168, 81990), (24597, 80560), (27189, 72880), (27330, 72504), (28620, 69236), (30210, 65592), (32796, 60420), (34618, 57240), (36252, 54660), (36440, 54378), (38160, 51927), (40280, 49194), (40995, 48336), (41040, 48283), (43728, 45315)]