66519960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42641}}^1$

素因数の和:42668

約数の個数: 64

約数和(自身を含む): 214915680

約数和(自身を除く): 148395720

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, 42641, 85282, 127923, 170564, 213205, 255846, 341128, 426410, 511692, 554333, 639615, 852820, 1023384, 1108666, 1279230, 1662999, 1705640, 2217332, 2558460, 2771665, 3325998, 4434664, 5116920, 5543330, 6651996, 8314995, 11086660, 13303992, 16629990, 22173320, 33259980, 66519960]

約数ペア:

[(1, 66519960), (2, 33259980), (3, 22173320), (4, 16629990), (5, 13303992), (6, 11086660), (8, 8314995), (10, 6651996), (12, 5543330), (13, 5116920), (15, 4434664), (20, 3325998), (24, 2771665), (26, 2558460), (30, 2217332), (39, 1705640), (40, 1662999), (52, 1279230), (60, 1108666), (65, 1023384), (78, 852820), (104, 639615), (120, 554333), (130, 511692), (156, 426410), (195, 341128), (260, 255846), (312, 213205), (390, 170564), (520, 127923), (780, 85282), (1560, 42641)]