261601080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{317}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 886304160

約数和(自身を除く): 624703080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 317, 345, 390, 460, 520, 529, 552, 598, 634, 690, 780, 897, 920, 951, 1058, 1196, 1268, 1380, 1495, 1560, 1585, 1587, 1794, 1902, 2116, 2392, 2536, 2645, 2760, 2990, 3170, 3174, 3588, 3804, 4121, 4232, 4485, 4755, 5290, 5980, 6340, 6348, 6877, 7176, 7291, 7608, 7935, 8242, 8970, 9510, 10580, 11960, 12363, 12680, 12696, 13754, 14582, 15870, 16484, 17940, 19020, 20605, 20631, 21160, 21873, 24726, 27508, 29164, 31740, 32968, 34385, 35880, 36455, 38040, 41210, 41262, 43746, 49452, 55016, 58328, 61815, 63480, 68770, 72910, 82420, 82524, 87492, 94783, 98904, 103155, 109365, 123630, 137540, 145820, 164840, 165048, 167693, 174984, 189566, 206310, 218730, 247260, 275080, 284349, 291640, 335386, 379132, 412620, 437460, 473915, 494520, 503079, 568698, 670772, 758264, 825240, 838465, 874920, 947830, 1006158, 1137396, 1341544, 1421745, 1676930, 1895660, 2012316, 2180009, 2274792, 2515395, 2843490, 3353860, 3791320, 4024632, 4360018, 5030790, 5686980, 6540027, 6707720, 8720036, 10061580, 10900045, 11373960, 13080054, 17440072, 20123160, 21800090, 26160108, 32700135, 43600180, 52320216, 65400270, 87200360, 130800540, 261601080]

約数ペア:

[(1, 261601080), (2, 130800540), (3, 87200360), (4, 65400270), (5, 52320216), (6, 43600180), (8, 32700135), (10, 26160108), (12, 21800090), (13, 20123160), (15, 17440072), (20, 13080054), (23, 11373960), (24, 10900045), (26, 10061580), (30, 8720036), (39, 6707720), (40, 6540027), (46, 5686980), (52, 5030790), (60, 4360018), (65, 4024632), (69, 3791320), (78, 3353860), (92, 2843490), (104, 2515395), (115, 2274792), (120, 2180009), (130, 2012316), (138, 1895660), (156, 1676930), (184, 1421745), (195, 1341544), (230, 1137396), (260, 1006158), (276, 947830), (299, 874920), (312, 838465), (317, 825240), (345, 758264), (390, 670772), (460, 568698), (520, 503079), (529, 494520), (552, 473915), (598, 437460), (634, 412620), (690, 379132), (780, 335386), (897, 291640), (920, 284349), (951, 275080), (1058, 247260), (1196, 218730), (1268, 206310), (1380, 189566), (1495, 174984), (1560, 167693), (1585, 165048), (1587, 164840), (1794, 145820), (1902, 137540), (2116, 123630), (2392, 109365), (2536, 103155), (2645, 98904), (2760, 94783), (2990, 87492), (3170, 82524), (3174, 82420), (3588, 72910), (3804, 68770), (4121, 63480), (4232, 61815), (4485, 58328), (4755, 55016), (5290, 49452), (5980, 43746), (6340, 41262), (6348, 41210), (6877, 38040), (7176, 36455), (7291, 35880), (7608, 34385), (7935, 32968), (8242, 31740), (8970, 29164), (9510, 27508), (10580, 24726), (11960, 21873), (12363, 21160), (12680, 20631), (12696, 20605), (13754, 19020), (14582, 17940), (15870, 16484)]