82173720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{991}}^1$

素因数の和:1696

約数の個数: 64

約数和(自身を含む): 247127040

約数和(自身を除く): 164953320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 691, 991, 1382, 1982, 2073, 2764, 2973, 3455, 3964, 4146, 4955, 5528, 5946, 6910, 7928, 8292, 9910, 10365, 11892, 13820, 14865, 16584, 19820, 20730, 23784, 27640, 29730, 39640, 41460, 59460, 82920, 118920, 684781, 1369562, 2054343, 2739124, 3423905, 4108686, 5478248, 6847810, 8217372, 10271715, 13695620, 16434744, 20543430, 27391240, 41086860, 82173720]

約数ペア:

[(1, 82173720), (2, 41086860), (3, 27391240), (4, 20543430), (5, 16434744), (6, 13695620), (8, 10271715), (10, 8217372), (12, 6847810), (15, 5478248), (20, 4108686), (24, 3423905), (30, 2739124), (40, 2054343), (60, 1369562), (120, 684781), (691, 118920), (991, 82920), (1382, 59460), (1982, 41460), (2073, 39640), (2764, 29730), (2973, 27640), (3455, 23784), (3964, 20730), (4146, 19820), (4955, 16584), (5528, 14865), (5946, 13820), (6910, 11892), (7928, 10365), (8292, 9910)]