62781420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80489}}^1$

素因数の和:80514

約数の個数: 48

約数和(自身を含む): 189312480

約数和(自身を除く): 126531060

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, 80489, 160978, 241467, 321956, 402445, 482934, 804890, 965868, 1046357, 1207335, 1609780, 2092714, 2414670, 3139071, 4185428, 4829340, 5231785, 6278142, 10463570, 12556284, 15695355, 20927140, 31390710, 62781420]

約数ペア:

[(1, 62781420), (2, 31390710), (3, 20927140), (4, 15695355), (5, 12556284), (6, 10463570), (10, 6278142), (12, 5231785), (13, 4829340), (15, 4185428), (20, 3139071), (26, 2414670), (30, 2092714), (39, 1609780), (52, 1207335), (60, 1046357), (65, 965868), (78, 804890), (130, 482934), (156, 402445), (195, 321956), (260, 241467), (390, 160978), (780, 80489)]