18512520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11867}}^1$

素因数の和:11894

約数の個数: 64

約数和(自身を含む): 59814720

約数和(自身を除く): 41302200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11867, 23734, 35601, 47468, 59335, 71202, 94936, 118670, 142404, 154271, 178005, 237340, 284808, 308542, 356010, 462813, 474680, 617084, 712020, 771355, 925626, 1234168, 1424040, 1542710, 1851252, 2314065, 3085420, 3702504, 4628130, 6170840, 9256260, 18512520]

約数ペア:

[(1, 18512520), (2, 9256260), (3, 6170840), (4, 4628130), (5, 3702504), (6, 3085420), (8, 2314065), (10, 1851252), (12, 1542710), (13, 1424040), (15, 1234168), (20, 925626), (24, 771355), (26, 712020), (30, 617084), (39, 474680), (40, 462813), (52, 356010), (60, 308542), (65, 284808), (78, 237340), (104, 178005), (120, 154271), (130, 142404), (156, 118670), (195, 94936), (260, 71202), (312, 59335), (390, 47468), (520, 35601), (780, 23734), (1560, 11867)]