64781360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3989}}^1$

素因数の和:4038

約数の個数: 80

約数和(自身を含む): 178113600

約数和(自身を除く): 113332240

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, 3989, 4060, 7978, 8120, 15956, 16240, 19945, 27923, 31912, 39890, 55846, 63824, 79780, 111692, 115681, 139615, 159560, 223384, 231362, 279230, 319120, 446768, 462724, 558460, 578405, 809767, 925448, 1116920, 1156810, 1619534, 1850896, 2233840, 2313620, 3239068, 4048835, 4627240, 6478136, 8097670, 9254480, 12956272, 16195340, 32390680, 64781360]

約数ペア:

[(1, 64781360), (2, 32390680), (4, 16195340), (5, 12956272), (7, 9254480), (8, 8097670), (10, 6478136), (14, 4627240), (16, 4048835), (20, 3239068), (28, 2313620), (29, 2233840), (35, 1850896), (40, 1619534), (56, 1156810), (58, 1116920), (70, 925448), (80, 809767), (112, 578405), (116, 558460), (140, 462724), (145, 446768), (203, 319120), (232, 279230), (280, 231362), (290, 223384), (406, 159560), (464, 139615), (560, 115681), (580, 111692), (812, 79780), (1015, 63824), (1160, 55846), (1624, 39890), (2030, 31912), (2320, 27923), (3248, 19945), (3989, 16240), (4060, 15956), (7978, 8120)]