81038490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{719}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 222808320

約数和(自身を除く): 141769830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 289, 390, 442, 510, 578, 663, 719, 867, 1105, 1326, 1438, 1445, 1734, 2157, 2210, 2890, 3315, 3595, 3757, 4314, 4335, 6630, 7190, 7514, 8670, 9347, 10785, 11271, 12223, 18694, 18785, 21570, 22542, 24446, 28041, 36669, 37570, 46735, 56082, 56355, 61115, 73338, 93470, 112710, 122230, 140205, 158899, 183345, 207791, 280410, 317798, 366690, 415582, 476697, 623373, 794495, 953394, 1038955, 1246746, 1588990, 2077910, 2383485, 2701283, 3116865, 4766970, 5402566, 6233730, 8103849, 13506415, 16207698, 27012830, 40519245, 81038490]

約数ペア:

[(1, 81038490), (2, 40519245), (3, 27012830), (5, 16207698), (6, 13506415), (10, 8103849), (13, 6233730), (15, 5402566), (17, 4766970), (26, 3116865), (30, 2701283), (34, 2383485), (39, 2077910), (51, 1588990), (65, 1246746), (78, 1038955), (85, 953394), (102, 794495), (130, 623373), (170, 476697), (195, 415582), (221, 366690), (255, 317798), (289, 280410), (390, 207791), (442, 183345), (510, 158899), (578, 140205), (663, 122230), (719, 112710), (867, 93470), (1105, 73338), (1326, 61115), (1438, 56355), (1445, 56082), (1734, 46735), (2157, 37570), (2210, 36669), (2890, 28041), (3315, 24446), (3595, 22542), (3757, 21570), (4314, 18785), (4335, 18694), (6630, 12223), (7190, 11271), (7514, 10785), (8670, 9347)]