68656560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40867}}^1$

素因数の和:40890

約数の個数: 80

約数和(自身を含む): 243246336

約数和(自身を除く): 174589776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40867, 81734, 122601, 163468, 204335, 245202, 286069, 326936, 408670, 490404, 572138, 613005, 653872, 817340, 858207, 980808, 1144276, 1226010, 1430345, 1634680, 1716414, 1961616, 2288552, 2452020, 2860690, 3269360, 3432828, 4291035, 4577104, 4904040, 5721380, 6865656, 8582070, 9808080, 11442760, 13731312, 17164140, 22885520, 34328280, 68656560]

約数ペア:

[(1, 68656560), (2, 34328280), (3, 22885520), (4, 17164140), (5, 13731312), (6, 11442760), (7, 9808080), (8, 8582070), (10, 6865656), (12, 5721380), (14, 4904040), (15, 4577104), (16, 4291035), (20, 3432828), (21, 3269360), (24, 2860690), (28, 2452020), (30, 2288552), (35, 1961616), (40, 1716414), (42, 1634680), (48, 1430345), (56, 1226010), (60, 1144276), (70, 980808), (80, 858207), (84, 817340), (105, 653872), (112, 613005), (120, 572138), (140, 490404), (168, 408670), (210, 326936), (240, 286069), (280, 245202), (336, 204335), (420, 163468), (560, 122601), (840, 81734), (1680, 40867)]