90615280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1571}}^1$

素因数の和:1694

約数の個数: 80

約数和(自身を含む): 243270144

約数和(自身を除く): 152654864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1442, 1571, 1648, 2060, 2884, 3142, 3605, 4120, 5768, 6284, 7210, 7855, 8240, 10997, 11536, 12568, 14420, 15710, 21994, 25136, 28840, 31420, 43988, 54985, 57680, 62840, 87976, 109970, 125680, 161813, 175952, 219940, 323626, 439880, 647252, 809065, 879760, 1132691, 1294504, 1618130, 2265382, 2589008, 3236260, 4530764, 5663455, 6472520, 9061528, 11326910, 12945040, 18123056, 22653820, 45307640, 90615280]

約数ペア:

[(1, 90615280), (2, 45307640), (4, 22653820), (5, 18123056), (7, 12945040), (8, 11326910), (10, 9061528), (14, 6472520), (16, 5663455), (20, 4530764), (28, 3236260), (35, 2589008), (40, 2265382), (56, 1618130), (70, 1294504), (80, 1132691), (103, 879760), (112, 809065), (140, 647252), (206, 439880), (280, 323626), (412, 219940), (515, 175952), (560, 161813), (721, 125680), (824, 109970), (1030, 87976), (1442, 62840), (1571, 57680), (1648, 54985), (2060, 43988), (2884, 31420), (3142, 28840), (3605, 25136), (4120, 21994), (5768, 15710), (6284, 14420), (7210, 12568), (7855, 11536), (8240, 10997)]