12698660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^2$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 30687720

約数和(自身を除く): 17989060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 289, 338, 340, 442, 578, 676, 845, 884, 1105, 1156, 1445, 1690, 2197, 2210, 2873, 2890, 3380, 3757, 4394, 4420, 5746, 5780, 7514, 8788, 10985, 11492, 14365, 15028, 18785, 21970, 28730, 37349, 37570, 43940, 48841, 57460, 74698, 75140, 97682, 149396, 186745, 195364, 244205, 373490, 488410, 634933, 746980, 976820, 1269866, 2539732, 3174665, 6349330, 12698660]

約数ペア:

[(1, 12698660), (2, 6349330), (4, 3174665), (5, 2539732), (10, 1269866), (13, 976820), (17, 746980), (20, 634933), (26, 488410), (34, 373490), (52, 244205), (65, 195364), (68, 186745), (85, 149396), (130, 97682), (169, 75140), (170, 74698), (221, 57460), (260, 48841), (289, 43940), (338, 37570), (340, 37349), (442, 28730), (578, 21970), (676, 18785), (845, 15028), (884, 14365), (1105, 11492), (1156, 10985), (1445, 8788), (1690, 7514), (2197, 5780), (2210, 5746), (2873, 4420), (2890, 4394), (3380, 3757)]