18887640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1471}}^1$

素因数の和:1592

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 38343720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1471, 1605, 2140, 2568, 2942, 3210, 4280, 4413, 5884, 6420, 7355, 8826, 11768, 12840, 14710, 17652, 22065, 29420, 35304, 44130, 58840, 88260, 157397, 176520, 314794, 472191, 629588, 786985, 944382, 1259176, 1573970, 1888764, 2360955, 3147940, 3777528, 4721910, 6295880, 9443820, 18887640]

約数ペア:

[(1, 18887640), (2, 9443820), (3, 6295880), (4, 4721910), (5, 3777528), (6, 3147940), (8, 2360955), (10, 1888764), (12, 1573970), (15, 1259176), (20, 944382), (24, 786985), (30, 629588), (40, 472191), (60, 314794), (107, 176520), (120, 157397), (214, 88260), (321, 58840), (428, 44130), (535, 35304), (642, 29420), (856, 22065), (1070, 17652), (1284, 14710), (1471, 12840), (1605, 11768), (2140, 8826), (2568, 7355), (2942, 6420), (3210, 5884), (4280, 4413)]