542499720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{645833}}^1$

素因数の和:645854

約数の個数: 64

約数和(自身を含む): 1860001920

約数和(自身を除く): 1317502200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 645833, 1291666, 1937499, 2583332, 3229165, 3874998, 4520831, 5166664, 6458330, 7749996, 9041662, 9687495, 12916660, 13562493, 15499992, 18083324, 19374990, 22604155, 25833320, 27124986, 36166648, 38749980, 45208310, 54249972, 67812465, 77499960, 90416620, 108499944, 135624930, 180833240, 271249860, 542499720]

約数ペア:

[(1, 542499720), (2, 271249860), (3, 180833240), (4, 135624930), (5, 108499944), (6, 90416620), (7, 77499960), (8, 67812465), (10, 54249972), (12, 45208310), (14, 38749980), (15, 36166648), (20, 27124986), (21, 25833320), (24, 22604155), (28, 19374990), (30, 18083324), (35, 15499992), (40, 13562493), (42, 12916660), (56, 9687495), (60, 9041662), (70, 7749996), (84, 6458330), (105, 5166664), (120, 4520831), (140, 3874998), (168, 3229165), (210, 2583332), (280, 1937499), (420, 1291666), (840, 645833)]