12495280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 33908544

約数和(自身を除く): 21413264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 421, 424, 530, 560, 742, 842, 848, 1060, 1484, 1684, 1855, 2105, 2120, 2947, 2968, 3368, 3710, 4210, 4240, 5894, 5936, 6736, 7420, 8420, 11788, 14735, 14840, 16840, 22313, 23576, 29470, 29680, 33680, 44626, 47152, 58940, 89252, 111565, 117880, 156191, 178504, 223130, 235760, 312382, 357008, 446260, 624764, 780955, 892520, 1249528, 1561910, 1785040, 2499056, 3123820, 6247640, 12495280]

約数ペア:

[(1, 12495280), (2, 6247640), (4, 3123820), (5, 2499056), (7, 1785040), (8, 1561910), (10, 1249528), (14, 892520), (16, 780955), (20, 624764), (28, 446260), (35, 357008), (40, 312382), (53, 235760), (56, 223130), (70, 178504), (80, 156191), (106, 117880), (112, 111565), (140, 89252), (212, 58940), (265, 47152), (280, 44626), (371, 33680), (421, 29680), (424, 29470), (530, 23576), (560, 22313), (742, 16840), (842, 14840), (848, 14735), (1060, 11788), (1484, 8420), (1684, 7420), (1855, 6736), (2105, 5936), (2120, 5894), (2947, 4240), (2968, 4210), (3368, 3710)]