420029999880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{1637927}}^1$

素因数の和:1640078

約数の個数: 64

約数和(自身を含む): 1260680423040

約数和(自身を除く): 840650423160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2137, 4274, 6411, 8548, 10685, 12822, 17096, 21370, 25644, 32055, 42740, 51288, 64110, 85480, 128220, 256440, 1637927, 3275854, 4913781, 6551708, 8189635, 9827562, 13103416, 16379270, 19655124, 24568905, 32758540, 39310248, 49137810, 65517080, 98275620, 196551240, 3500249999, 7000499998, 10500749997, 14000999996, 17501249995, 21001499994, 28001999992, 35002499990, 42002999988, 52503749985, 70004999980, 84005999976, 105007499970, 140009999960, 210014999940, 420029999880]

約数ペア:

[(1, 420029999880), (2, 210014999940), (3, 140009999960), (4, 105007499970), (5, 84005999976), (6, 70004999980), (8, 52503749985), (10, 42002999988), (12, 35002499990), (15, 28001999992), (20, 21001499994), (24, 17501249995), (30, 14000999996), (40, 10500749997), (60, 7000499998), (120, 3500249999), (2137, 196551240), (4274, 98275620), (6411, 65517080), (8548, 49137810), (10685, 39310248), (12822, 32758540), (17096, 24568905), (21370, 19655124), (25644, 16379270), (32055, 13103416), (42740, 9827562), (51288, 8189635), (64110, 6551708), (85480, 4913781), (128220, 3275854), (256440, 1637927)]