74557840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4591}}^1$

素因数の和:4640

約数の個数: 80

約数和(自身を含む): 204986880

約数和(自身を除く): 130429040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 4591, 8120, 9182, 16240, 18364, 22955, 32137, 36728, 45910, 64274, 73456, 91820, 128548, 133139, 160685, 183640, 257096, 266278, 321370, 367280, 514192, 532556, 642740, 665695, 931973, 1065112, 1285480, 1331390, 1863946, 2130224, 2570960, 2662780, 3727892, 4659865, 5325560, 7455784, 9319730, 10651120, 14911568, 18639460, 37278920, 74557840]

約数ペア:

[(1, 74557840), (2, 37278920), (4, 18639460), (5, 14911568), (7, 10651120), (8, 9319730), (10, 7455784), (14, 5325560), (16, 4659865), (20, 3727892), (28, 2662780), (29, 2570960), (35, 2130224), (40, 1863946), (56, 1331390), (58, 1285480), (70, 1065112), (80, 931973), (112, 665695), (116, 642740), (140, 532556), (145, 514192), (203, 367280), (232, 321370), (280, 266278), (290, 257096), (406, 183640), (464, 160685), (560, 133139), (580, 128548), (812, 91820), (1015, 73456), (1160, 64274), (1624, 45910), (2030, 36728), (2320, 32137), (3248, 22955), (4060, 18364), (4591, 16240), (8120, 9182)]