66866280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42863}}^1$

素因数の和:42890

約数の個数: 64

約数和(自身を含む): 216034560

約数和(自身を除く): 149168280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 42863, 85726, 128589, 171452, 214315, 257178, 342904, 428630, 514356, 557219, 642945, 857260, 1028712, 1114438, 1285890, 1671657, 1714520, 2228876, 2571780, 2786095, 3343314, 4457752, 5143560, 5572190, 6686628, 8358285, 11144380, 13373256, 16716570, 22288760, 33433140, 66866280]

約数ペア:

[(1, 66866280), (2, 33433140), (3, 22288760), (4, 16716570), (5, 13373256), (6, 11144380), (8, 8358285), (10, 6686628), (12, 5572190), (13, 5143560), (15, 4457752), (20, 3343314), (24, 2786095), (26, 2571780), (30, 2228876), (39, 1714520), (40, 1671657), (52, 1285890), (60, 1114438), (65, 1028712), (78, 857260), (104, 642945), (120, 557219), (130, 514356), (156, 428630), (195, 342904), (260, 257178), (312, 214315), (390, 171452), (520, 128589), (780, 85726), (1560, 42863)]