15479940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36857}}^1$

素因数の和:36876

約数の個数: 48

約数和(自身を含む): 49537152

約数和(自身を除く): 34057212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 36857, 73714, 110571, 147428, 184285, 221142, 257999, 368570, 442284, 515998, 552855, 737140, 773997, 1031996, 1105710, 1289995, 1547994, 2211420, 2579990, 3095988, 3869985, 5159980, 7739970, 15479940]

約数ペア:

[(1, 15479940), (2, 7739970), (3, 5159980), (4, 3869985), (5, 3095988), (6, 2579990), (7, 2211420), (10, 1547994), (12, 1289995), (14, 1105710), (15, 1031996), (20, 773997), (21, 737140), (28, 552855), (30, 515998), (35, 442284), (42, 368570), (60, 257999), (70, 221142), (84, 184285), (105, 147428), (140, 110571), (210, 73714), (420, 36857)]