8999940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 25623360

約数和(自身を除く): 16623420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 2459, 3660, 4918, 7377, 9836, 12295, 14754, 24590, 29508, 36885, 49180, 73770, 147540, 149999, 299998, 449997, 599996, 749995, 899994, 1499990, 1799988, 2249985, 2999980, 4499970, 8999940]

約数ペア:

[(1, 8999940), (2, 4499970), (3, 2999980), (4, 2249985), (5, 1799988), (6, 1499990), (10, 899994), (12, 749995), (15, 599996), (20, 449997), (30, 299998), (60, 149999), (61, 147540), (122, 73770), (183, 49180), (244, 36885), (305, 29508), (366, 24590), (610, 14754), (732, 12295), (915, 9836), (1220, 7377), (1830, 4918), (2459, 3660)]