12983640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 39195360

約数和(自身を除く): 26211720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 421, 514, 771, 842, 1028, 1263, 1285, 1542, 1684, 2056, 2105, 2526, 2570, 3084, 3368, 3855, 4210, 5052, 5140, 6168, 6315, 7710, 8420, 10104, 10280, 12630, 15420, 16840, 25260, 30840, 50520, 108197, 216394, 324591, 432788, 540985, 649182, 865576, 1081970, 1298364, 1622955, 2163940, 2596728, 3245910, 4327880, 6491820, 12983640]

約数ペア:

[(1, 12983640), (2, 6491820), (3, 4327880), (4, 3245910), (5, 2596728), (6, 2163940), (8, 1622955), (10, 1298364), (12, 1081970), (15, 865576), (20, 649182), (24, 540985), (30, 432788), (40, 324591), (60, 216394), (120, 108197), (257, 50520), (421, 30840), (514, 25260), (771, 16840), (842, 15420), (1028, 12630), (1263, 10280), (1285, 10104), (1542, 8420), (1684, 7710), (2056, 6315), (2105, 6168), (2526, 5140), (2570, 5052), (3084, 4210), (3368, 3855)]