81543330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2712

約数の個数: 96

約数和(自身を含む): 238837248

約数和(自身を除く): 157293918

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 31, 33, 45, 55, 62, 66, 90, 93, 99, 110, 155, 165, 186, 198, 279, 310, 330, 341, 465, 495, 558, 682, 930, 990, 1023, 1395, 1705, 2046, 2657, 2790, 3069, 3410, 5115, 5314, 6138, 7971, 10230, 13285, 15345, 15942, 23913, 26570, 29227, 30690, 39855, 47826, 58454, 79710, 82367, 87681, 119565, 146135, 164734, 175362, 239130, 247101, 263043, 292270, 411835, 438405, 494202, 526086, 741303, 823670, 876810, 906037, 1235505, 1315215, 1482606, 1812074, 2471010, 2630430, 2718111, 3706515, 4530185, 5436222, 7413030, 8154333, 9060370, 13590555, 16308666, 27181110, 40771665, 81543330]

約数ペア:

[(1, 81543330), (2, 40771665), (3, 27181110), (5, 16308666), (6, 13590555), (9, 9060370), (10, 8154333), (11, 7413030), (15, 5436222), (18, 4530185), (22, 3706515), (30, 2718111), (31, 2630430), (33, 2471010), (45, 1812074), (55, 1482606), (62, 1315215), (66, 1235505), (90, 906037), (93, 876810), (99, 823670), (110, 741303), (155, 526086), (165, 494202), (186, 438405), (198, 411835), (279, 292270), (310, 263043), (330, 247101), (341, 239130), (465, 175362), (495, 164734), (558, 146135), (682, 119565), (930, 87681), (990, 82367), (1023, 79710), (1395, 58454), (1705, 47826), (2046, 39855), (2657, 30690), (2790, 29227), (3069, 26570), (3410, 23913), (5115, 15942), (5314, 15345), (6138, 13285), (7971, 10230)]