66238440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{991}}^1$

素因数の和:1562

約数の個数: 64

約数和(自身を含む): 199272960

約数和(自身を除く): 133034520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 557, 991, 1114, 1671, 1982, 2228, 2785, 2973, 3342, 3964, 4456, 4955, 5570, 5946, 6684, 7928, 8355, 9910, 11140, 11892, 13368, 14865, 16710, 19820, 22280, 23784, 29730, 33420, 39640, 59460, 66840, 118920, 551987, 1103974, 1655961, 2207948, 2759935, 3311922, 4415896, 5519870, 6623844, 8279805, 11039740, 13247688, 16559610, 22079480, 33119220, 66238440]

約数ペア:

[(1, 66238440), (2, 33119220), (3, 22079480), (4, 16559610), (5, 13247688), (6, 11039740), (8, 8279805), (10, 6623844), (12, 5519870), (15, 4415896), (20, 3311922), (24, 2759935), (30, 2207948), (40, 1655961), (60, 1103974), (120, 551987), (557, 118920), (991, 66840), (1114, 59460), (1671, 39640), (1982, 33420), (2228, 29730), (2785, 23784), (2973, 22280), (3342, 19820), (3964, 16710), (4456, 14865), (4955, 13368), (5570, 11892), (5946, 11140), (6684, 9910), (7928, 8355)]