66981960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4327}}^1$

素因数の和:4387

約数の個数: 96

約数和(自身を含む): 222805440

約数和(自身を除く): 155823480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 4327, 5160, 7740, 8654, 12981, 15480, 17308, 21635, 25962, 34616, 38943, 43270, 51924, 64905, 77886, 86540, 103848, 129810, 155772, 173080, 186061, 194715, 259620, 311544, 372122, 389430, 519240, 558183, 744244, 778860, 930305, 1116366, 1488488, 1557720, 1674549, 1860610, 2232732, 2790915, 3349098, 3721220, 4465464, 5581830, 6698196, 7442440, 8372745, 11163660, 13396392, 16745490, 22327320, 33490980, 66981960]

約数ペア:

[(1, 66981960), (2, 33490980), (3, 22327320), (4, 16745490), (5, 13396392), (6, 11163660), (8, 8372745), (9, 7442440), (10, 6698196), (12, 5581830), (15, 4465464), (18, 3721220), (20, 3349098), (24, 2790915), (30, 2232732), (36, 1860610), (40, 1674549), (43, 1557720), (45, 1488488), (60, 1116366), (72, 930305), (86, 778860), (90, 744244), (120, 558183), (129, 519240), (172, 389430), (180, 372122), (215, 311544), (258, 259620), (344, 194715), (360, 186061), (387, 173080), (430, 155772), (516, 129810), (645, 103848), (774, 86540), (860, 77886), (1032, 64905), (1290, 51924), (1548, 43270), (1720, 38943), (1935, 34616), (2580, 25962), (3096, 21635), (3870, 17308), (4327, 15480), (5160, 12981), (7740, 8654)]