54981420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70489}}^1$

素因数の和:70514

約数の個数: 48

約数和(自身を含む): 165792480

約数和(自身を除く): 110811060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 70489, 140978, 211467, 281956, 352445, 422934, 704890, 845868, 916357, 1057335, 1409780, 1832714, 2114670, 2749071, 3665428, 4229340, 4581785, 5498142, 9163570, 10996284, 13745355, 18327140, 27490710, 54981420]

約数ペア:

[(1, 54981420), (2, 27490710), (3, 18327140), (4, 13745355), (5, 10996284), (6, 9163570), (10, 5498142), (12, 4581785), (13, 4229340), (15, 3665428), (20, 2749071), (26, 2114670), (30, 1832714), (39, 1409780), (52, 1057335), (60, 916357), (65, 845868), (78, 704890), (130, 422934), (156, 352445), (195, 281956), (260, 211467), (390, 140978), (780, 70489)]