68645640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1243

約数の個数: 128

約数和(自身を含む): 238878720

約数和(自身を除く): 170233080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1151, 1420, 1491, 1704, 1988, 2130, 2302, 2485, 2840, 2982, 3453, 3976, 4260, 4604, 4970, 5755, 5964, 6906, 7455, 8057, 8520, 9208, 9940, 11510, 11928, 13812, 14910, 16114, 17265, 19880, 23020, 24171, 27624, 29820, 32228, 34530, 40285, 46040, 48342, 59640, 64456, 69060, 80570, 81721, 96684, 120855, 138120, 161140, 163442, 193368, 241710, 245163, 322280, 326884, 408605, 483420, 490326, 572047, 653768, 817210, 966840, 980652, 1144094, 1225815, 1634420, 1716141, 1961304, 2288188, 2451630, 2860235, 3268840, 3432282, 4576376, 4903260, 5720470, 6864564, 8580705, 9806520, 11440940, 13729128, 17161410, 22881880, 34322820, 68645640]

約数ペア:

[(1, 68645640), (2, 34322820), (3, 22881880), (4, 17161410), (5, 13729128), (6, 11440940), (7, 9806520), (8, 8580705), (10, 6864564), (12, 5720470), (14, 4903260), (15, 4576376), (20, 3432282), (21, 3268840), (24, 2860235), (28, 2451630), (30, 2288188), (35, 1961304), (40, 1716141), (42, 1634420), (56, 1225815), (60, 1144094), (70, 980652), (71, 966840), (84, 817210), (105, 653768), (120, 572047), (140, 490326), (142, 483420), (168, 408605), (210, 326884), (213, 322280), (280, 245163), (284, 241710), (355, 193368), (420, 163442), (426, 161140), (497, 138120), (568, 120855), (710, 96684), (840, 81721), (852, 80570), (994, 69060), (1065, 64456), (1151, 59640), (1420, 48342), (1491, 46040), (1704, 40285), (1988, 34530), (2130, 32228), (2302, 29820), (2485, 27624), (2840, 24171), (2982, 23020), (3453, 19880), (3976, 17265), (4260, 16114), (4604, 14910), (4970, 13812), (5755, 11928), (5964, 11510), (6906, 9940), (7455, 9208), (8057, 8520)]