18181560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1588

約数の個数: 64

約数和(自身を含む): 55111680

約数和(自身を除く): 36930120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1471, 1545, 2060, 2472, 2942, 3090, 4120, 4413, 5884, 6180, 7355, 8826, 11768, 12360, 14710, 17652, 22065, 29420, 35304, 44130, 58840, 88260, 151513, 176520, 303026, 454539, 606052, 757565, 909078, 1212104, 1515130, 1818156, 2272695, 3030260, 3636312, 4545390, 6060520, 9090780, 18181560]

約数ペア:

[(1, 18181560), (2, 9090780), (3, 6060520), (4, 4545390), (5, 3636312), (6, 3030260), (8, 2272695), (10, 1818156), (12, 1515130), (15, 1212104), (20, 909078), (24, 757565), (30, 606052), (40, 454539), (60, 303026), (103, 176520), (120, 151513), (206, 88260), (309, 58840), (412, 44130), (515, 35304), (618, 29420), (824, 22065), (1030, 17652), (1236, 14710), (1471, 12360), (1545, 11768), (2060, 8826), (2472, 7355), (2942, 6180), (3090, 5884), (4120, 4413)]