28020120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2267}}^1$

素因数の和:2384

約数の個数: 64

約数和(自身を含む): 84913920

約数和(自身を除く): 56893800

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, 1545, 2060, 2267, 2472, 3090, 4120, 4534, 6180, 6801, 9068, 11335, 12360, 13602, 18136, 22670, 27204, 34005, 45340, 54408, 68010, 90680, 136020, 233501, 272040, 467002, 700503, 934004, 1167505, 1401006, 1868008, 2335010, 2802012, 3502515, 4670020, 5604024, 7005030, 9340040, 14010060, 28020120]

約数ペア:

[(1, 28020120), (2, 14010060), (3, 9340040), (4, 7005030), (5, 5604024), (6, 4670020), (8, 3502515), (10, 2802012), (12, 2335010), (15, 1868008), (20, 1401006), (24, 1167505), (30, 934004), (40, 700503), (60, 467002), (103, 272040), (120, 233501), (206, 136020), (309, 90680), (412, 68010), (515, 54408), (618, 45340), (824, 34005), (1030, 27204), (1236, 22670), (1545, 18136), (2060, 13602), (2267, 12360), (2472, 11335), (3090, 9068), (4120, 6801), (4534, 6180)]