85819120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 209718720

約数和(自身を除く): 123899600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 232, 284, 290, 355, 464, 521, 568, 580, 710, 1042, 1136, 1160, 1420, 2059, 2084, 2320, 2605, 2840, 4118, 4168, 5210, 5680, 8236, 8336, 10295, 10420, 15109, 16472, 20590, 20840, 30218, 32944, 36991, 41180, 41680, 60436, 73982, 75545, 82360, 120872, 147964, 151090, 164720, 184955, 241744, 295928, 302180, 369910, 591856, 604360, 739820, 1072739, 1208720, 1479640, 2145478, 2959280, 4290956, 5363695, 8581912, 10727390, 17163824, 21454780, 42909560, 85819120]

約数ペア:

[(1, 85819120), (2, 42909560), (4, 21454780), (5, 17163824), (8, 10727390), (10, 8581912), (16, 5363695), (20, 4290956), (29, 2959280), (40, 2145478), (58, 1479640), (71, 1208720), (80, 1072739), (116, 739820), (142, 604360), (145, 591856), (232, 369910), (284, 302180), (290, 295928), (355, 241744), (464, 184955), (521, 164720), (568, 151090), (580, 147964), (710, 120872), (1042, 82360), (1136, 75545), (1160, 73982), (1420, 60436), (2059, 41680), (2084, 41180), (2320, 36991), (2605, 32944), (2840, 30218), (4118, 20840), (4168, 20590), (5210, 16472), (5680, 15109), (8236, 10420), (8336, 10295)]