89181680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2243}}^1$

素因数の和:2334

約数の個数: 80

約数和(自身を含む): 240413184

約数和(自身を除く): 151231504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2243, 2485, 2840, 3976, 4486, 4970, 5680, 7952, 8972, 9940, 11215, 15701, 17944, 19880, 22430, 31402, 35888, 39760, 44860, 62804, 78505, 89720, 125608, 157010, 159253, 179440, 251216, 314020, 318506, 628040, 637012, 796265, 1114771, 1256080, 1274024, 1592530, 2229542, 2548048, 3185060, 4459084, 5573855, 6370120, 8918168, 11147710, 12740240, 17836336, 22295420, 44590840, 89181680]

約数ペア:

[(1, 89181680), (2, 44590840), (4, 22295420), (5, 17836336), (7, 12740240), (8, 11147710), (10, 8918168), (14, 6370120), (16, 5573855), (20, 4459084), (28, 3185060), (35, 2548048), (40, 2229542), (56, 1592530), (70, 1274024), (71, 1256080), (80, 1114771), (112, 796265), (140, 637012), (142, 628040), (280, 318506), (284, 314020), (355, 251216), (497, 179440), (560, 159253), (568, 157010), (710, 125608), (994, 89720), (1136, 78505), (1420, 62804), (1988, 44860), (2243, 39760), (2485, 35888), (2840, 31402), (3976, 22430), (4486, 19880), (4970, 17944), (5680, 15701), (7952, 11215), (8972, 9940)]