81304160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 221175360

約数和(自身を除く): 139871200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 229, 280, 317, 458, 560, 634, 916, 1120, 1145, 1268, 1585, 1603, 1832, 2219, 2290, 2536, 3170, 3206, 3664, 4438, 4580, 5072, 6340, 6412, 7328, 8015, 8876, 9160, 10144, 11095, 12680, 12824, 16030, 17752, 18320, 22190, 25360, 25648, 32060, 35504, 36640, 44380, 50720, 51296, 64120, 71008, 72593, 88760, 128240, 145186, 177520, 256480, 290372, 355040, 362965, 508151, 580744, 725930, 1016302, 1161488, 1451860, 2032604, 2322976, 2540755, 2903720, 4065208, 5081510, 5807440, 8130416, 10163020, 11614880, 16260832, 20326040, 40652080, 81304160]

約数ペア:

[(1, 81304160), (2, 40652080), (4, 20326040), (5, 16260832), (7, 11614880), (8, 10163020), (10, 8130416), (14, 5807440), (16, 5081510), (20, 4065208), (28, 2903720), (32, 2540755), (35, 2322976), (40, 2032604), (56, 1451860), (70, 1161488), (80, 1016302), (112, 725930), (140, 580744), (160, 508151), (224, 362965), (229, 355040), (280, 290372), (317, 256480), (458, 177520), (560, 145186), (634, 128240), (916, 88760), (1120, 72593), (1145, 71008), (1268, 64120), (1585, 51296), (1603, 50720), (1832, 44380), (2219, 36640), (2290, 35504), (2536, 32060), (3170, 25648), (3206, 25360), (3664, 22190), (4438, 18320), (4580, 17752), (5072, 16030), (6340, 12824), (6412, 12680), (7328, 11095), (8015, 10144), (8876, 9160)]