86728980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111191}}^1$

素因数の和:111216

約数の個数: 48

約数和(自身を含む): 261523584

約数和(自身を除く): 174794604

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, 111191, 222382, 333573, 444764, 555955, 667146, 1111910, 1334292, 1445483, 1667865, 2223820, 2890966, 3335730, 4336449, 5781932, 6671460, 7227415, 8672898, 14454830, 17345796, 21682245, 28909660, 43364490, 86728980]

約数ペア:

[(1, 86728980), (2, 43364490), (3, 28909660), (4, 21682245), (5, 17345796), (6, 14454830), (10, 8672898), (12, 7227415), (13, 6671460), (15, 5781932), (20, 4336449), (26, 3335730), (30, 2890966), (39, 2223820), (52, 1667865), (60, 1445483), (65, 1334292), (78, 1111910), (130, 667146), (156, 555955), (195, 444764), (260, 333573), (390, 222382), (780, 111191)]