64935160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2060

約数の個数: 64

約数和(自身を含む): 157449600

約数和(自身を除く): 92514440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 1987, 3268, 3974, 4085, 6536, 7948, 8170, 9935, 15896, 16340, 19870, 32680, 37753, 39740, 75506, 79480, 85441, 151012, 170882, 188765, 302024, 341764, 377530, 427205, 683528, 755060, 854410, 1510120, 1623379, 1708820, 3246758, 3417640, 6493516, 8116895, 12987032, 16233790, 32467580, 64935160]

約数ペア:

[(1, 64935160), (2, 32467580), (4, 16233790), (5, 12987032), (8, 8116895), (10, 6493516), (19, 3417640), (20, 3246758), (38, 1708820), (40, 1623379), (43, 1510120), (76, 854410), (86, 755060), (95, 683528), (152, 427205), (172, 377530), (190, 341764), (215, 302024), (344, 188765), (380, 170882), (430, 151012), (760, 85441), (817, 79480), (860, 75506), (1634, 39740), (1720, 37753), (1987, 32680), (3268, 19870), (3974, 16340), (4085, 15896), (6536, 9935), (7948, 8170)]