42489240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4987}}^1$

素因数の和:5072

約数の個数: 64

約数和(自身を含む): 129288960

約数和(自身を除く): 86799720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 4987, 8520, 9974, 14961, 19948, 24935, 29922, 39896, 49870, 59844, 74805, 99740, 119688, 149610, 199480, 299220, 354077, 598440, 708154, 1062231, 1416308, 1770385, 2124462, 2832616, 3540770, 4248924, 5311155, 7081540, 8497848, 10622310, 14163080, 21244620, 42489240]

約数ペア:

[(1, 42489240), (2, 21244620), (3, 14163080), (4, 10622310), (5, 8497848), (6, 7081540), (8, 5311155), (10, 4248924), (12, 3540770), (15, 2832616), (20, 2124462), (24, 1770385), (30, 1416308), (40, 1062231), (60, 708154), (71, 598440), (120, 354077), (142, 299220), (213, 199480), (284, 149610), (355, 119688), (426, 99740), (568, 74805), (710, 59844), (852, 49870), (1065, 39896), (1420, 29922), (1704, 24935), (2130, 19948), (2840, 14961), (4260, 9974), (4987, 8520)]