68488280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 181848240

約数和(自身を除く): 113359960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 83, 98, 140, 166, 196, 245, 280, 332, 392, 415, 421, 490, 581, 664, 830, 842, 980, 1162, 1660, 1684, 1960, 2105, 2324, 2905, 2947, 3320, 3368, 4067, 4210, 4648, 5810, 5894, 8134, 8420, 11620, 11788, 14735, 16268, 16840, 20335, 20629, 23240, 23576, 29470, 32536, 34943, 40670, 41258, 58940, 69886, 81340, 82516, 103145, 117880, 139772, 162680, 165032, 174715, 206290, 244601, 279544, 349430, 412580, 489202, 698860, 825160, 978404, 1223005, 1397720, 1712207, 1956808, 2446010, 3424414, 4892020, 6848828, 8561035, 9784040, 13697656, 17122070, 34244140, 68488280]

約数ペア:

[(1, 68488280), (2, 34244140), (4, 17122070), (5, 13697656), (7, 9784040), (8, 8561035), (10, 6848828), (14, 4892020), (20, 3424414), (28, 2446010), (35, 1956808), (40, 1712207), (49, 1397720), (56, 1223005), (70, 978404), (83, 825160), (98, 698860), (140, 489202), (166, 412580), (196, 349430), (245, 279544), (280, 244601), (332, 206290), (392, 174715), (415, 165032), (421, 162680), (490, 139772), (581, 117880), (664, 103145), (830, 82516), (842, 81340), (980, 69886), (1162, 58940), (1660, 41258), (1684, 40670), (1960, 34943), (2105, 32536), (2324, 29470), (2905, 23576), (2947, 23240), (3320, 20629), (3368, 20335), (4067, 16840), (4210, 16268), (4648, 14735), (5810, 11788), (5894, 11620), (8134, 8420)]