68207100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17489}}^1$

素因数の和:17519

約数の個数: 72

約数和(自身を含む): 212538480

約数和(自身を除く): 144331380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 17489, 34978, 52467, 69956, 87445, 104934, 174890, 209868, 227357, 262335, 349780, 437225, 454714, 524670, 682071, 874450, 909428, 1049340, 1136785, 1311675, 1364142, 1748900, 2273570, 2623350, 2728284, 3410355, 4547140, 5246700, 5683925, 6820710, 11367850, 13641420, 17051775, 22735700, 34103550, 68207100]

約数ペア:

[(1, 68207100), (2, 34103550), (3, 22735700), (4, 17051775), (5, 13641420), (6, 11367850), (10, 6820710), (12, 5683925), (13, 5246700), (15, 4547140), (20, 3410355), (25, 2728284), (26, 2623350), (30, 2273570), (39, 1748900), (50, 1364142), (52, 1311675), (60, 1136785), (65, 1049340), (75, 909428), (78, 874450), (100, 682071), (130, 524670), (150, 454714), (156, 437225), (195, 349780), (260, 262335), (300, 227357), (325, 209868), (390, 174890), (650, 104934), (780, 87445), (975, 69956), (1300, 52467), (1950, 34978), (3900, 17489)]