168701680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4243}}^1$

素因数の和:4334

約数の個数: 80

約数和(自身を含む): 454685184

約数和(自身を除く): 285983504

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, 2485, 2840, 3976, 4243, 4970, 5680, 7952, 8486, 9940, 16972, 19880, 21215, 29701, 33944, 39760, 42430, 59402, 67888, 84860, 118804, 148505, 169720, 237608, 297010, 301253, 339440, 475216, 594020, 602506, 1188040, 1205012, 1506265, 2108771, 2376080, 2410024, 3012530, 4217542, 4820048, 6025060, 8435084, 10543855, 12050120, 16870168, 21087710, 24100240, 33740336, 42175420, 84350840, 168701680]

約数ペア:

[(1, 168701680), (2, 84350840), (4, 42175420), (5, 33740336), (7, 24100240), (8, 21087710), (10, 16870168), (14, 12050120), (16, 10543855), (20, 8435084), (28, 6025060), (35, 4820048), (40, 4217542), (56, 3012530), (70, 2410024), (71, 2376080), (80, 2108771), (112, 1506265), (140, 1205012), (142, 1188040), (280, 602506), (284, 594020), (355, 475216), (497, 339440), (560, 301253), (568, 297010), (710, 237608), (994, 169720), (1136, 148505), (1420, 118804), (1988, 84860), (2485, 67888), (2840, 59402), (3976, 42430), (4243, 39760), (4970, 33944), (5680, 29701), (7952, 21215), (8486, 19880), (9940, 16972)]