31380240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2467}}^1$

素因数の和:2536

約数の個数: 80

約数和(自身を含む): 99154368

約数和(自身を除く): 67774128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2467, 2544, 3180, 4240, 4934, 6360, 7401, 9868, 12335, 12720, 14802, 19736, 24670, 29604, 37005, 39472, 49340, 59208, 74010, 98680, 118416, 130751, 148020, 197360, 261502, 296040, 392253, 523004, 592080, 653755, 784506, 1046008, 1307510, 1569012, 1961265, 2092016, 2615020, 3138024, 3922530, 5230040, 6276048, 7845060, 10460080, 15690120, 31380240]

約数ペア:

[(1, 31380240), (2, 15690120), (3, 10460080), (4, 7845060), (5, 6276048), (6, 5230040), (8, 3922530), (10, 3138024), (12, 2615020), (15, 2092016), (16, 1961265), (20, 1569012), (24, 1307510), (30, 1046008), (40, 784506), (48, 653755), (53, 592080), (60, 523004), (80, 392253), (106, 296040), (120, 261502), (159, 197360), (212, 148020), (240, 130751), (265, 118416), (318, 98680), (424, 74010), (530, 59208), (636, 49340), (795, 39472), (848, 37005), (1060, 29604), (1272, 24670), (1590, 19736), (2120, 14802), (2467, 12720), (2544, 12335), (3180, 9868), (4240, 7401), (4934, 6360)]