66870960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21433}}^1$

素因数の和:21462

約数の個数: 80

約数和(自身を含む): 223256544

約数和(自身を除く): 156385584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21433, 42866, 64299, 85732, 107165, 128598, 171464, 214330, 257196, 278629, 321495, 342928, 428660, 514392, 557258, 642990, 835887, 857320, 1028784, 1114516, 1285980, 1393145, 1671774, 1714640, 2229032, 2571960, 2786290, 3343548, 4179435, 4458064, 5143920, 5572580, 6687096, 8358870, 11145160, 13374192, 16717740, 22290320, 33435480, 66870960]

約数ペア:

[(1, 66870960), (2, 33435480), (3, 22290320), (4, 16717740), (5, 13374192), (6, 11145160), (8, 8358870), (10, 6687096), (12, 5572580), (13, 5143920), (15, 4458064), (16, 4179435), (20, 3343548), (24, 2786290), (26, 2571960), (30, 2229032), (39, 1714640), (40, 1671774), (48, 1393145), (52, 1285980), (60, 1114516), (65, 1028784), (78, 857320), (80, 835887), (104, 642990), (120, 557258), (130, 514392), (156, 428660), (195, 342928), (208, 321495), (240, 278629), (260, 257196), (312, 214330), (390, 171464), (520, 128598), (624, 107165), (780, 85732), (1040, 64299), (1560, 42866), (3120, 21433)]