12788880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4099}}^1$

素因数の和:4128

約数の個数: 80

約数和(自身を含む): 42705600

約数和(自身を除く): 29916720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 4099, 8198, 12297, 16396, 20495, 24594, 32792, 40990, 49188, 53287, 61485, 65584, 81980, 98376, 106574, 122970, 159861, 163960, 196752, 213148, 245940, 266435, 319722, 327920, 426296, 491880, 532870, 639444, 799305, 852592, 983760, 1065740, 1278888, 1598610, 2131480, 2557776, 3197220, 4262960, 6394440, 12788880]

約数ペア:

[(1, 12788880), (2, 6394440), (3, 4262960), (4, 3197220), (5, 2557776), (6, 2131480), (8, 1598610), (10, 1278888), (12, 1065740), (13, 983760), (15, 852592), (16, 799305), (20, 639444), (24, 532870), (26, 491880), (30, 426296), (39, 327920), (40, 319722), (48, 266435), (52, 245940), (60, 213148), (65, 196752), (78, 163960), (80, 159861), (104, 122970), (120, 106574), (130, 98376), (156, 81980), (195, 65584), (208, 61485), (240, 53287), (260, 49188), (312, 40990), (390, 32792), (520, 24594), (624, 20495), (780, 16396), (1040, 12297), (1560, 8198), (3120, 4099)]