81568440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7309}}^1$

素因数の和:7357

約数の個数: 96

約数和(自身を含む): 273686400

約数和(自身を除く): 192117960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 7309, 11160, 14618, 21927, 29236, 36545, 43854, 58472, 65781, 73090, 87708, 109635, 131562, 146180, 175416, 219270, 226579, 263124, 292360, 328905, 438540, 453158, 526248, 657810, 679737, 877080, 906316, 1132895, 1315620, 1359474, 1812632, 2039211, 2265790, 2631240, 2718948, 3398685, 4078422, 4531580, 5437896, 6797370, 8156844, 9063160, 10196055, 13594740, 16313688, 20392110, 27189480, 40784220, 81568440]

約数ペア:

[(1, 81568440), (2, 40784220), (3, 27189480), (4, 20392110), (5, 16313688), (6, 13594740), (8, 10196055), (9, 9063160), (10, 8156844), (12, 6797370), (15, 5437896), (18, 4531580), (20, 4078422), (24, 3398685), (30, 2718948), (31, 2631240), (36, 2265790), (40, 2039211), (45, 1812632), (60, 1359474), (62, 1315620), (72, 1132895), (90, 906316), (93, 877080), (120, 679737), (124, 657810), (155, 526248), (180, 453158), (186, 438540), (248, 328905), (279, 292360), (310, 263124), (360, 226579), (372, 219270), (465, 175416), (558, 146180), (620, 131562), (744, 109635), (930, 87708), (1116, 73090), (1240, 65781), (1395, 58472), (1860, 43854), (2232, 36545), (2790, 29236), (3720, 21927), (5580, 14618), (7309, 11160)]