66647680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9467}}^1$

素因数の和:9497

約数の個数: 64

約数和(自身を含む): 173832480

約数和(自身を除く): 107184800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 9467, 18934, 37868, 47335, 75736, 94670, 104137, 151472, 189340, 208274, 302944, 378680, 416548, 520685, 605888, 757360, 833096, 1041370, 1211776, 1514720, 1666192, 2082740, 3029440, 3332384, 4165480, 6058880, 6664768, 8330960, 13329536, 16661920, 33323840, 66647680]

約数ペア:

[(1, 66647680), (2, 33323840), (4, 16661920), (5, 13329536), (8, 8330960), (10, 6664768), (11, 6058880), (16, 4165480), (20, 3332384), (22, 3029440), (32, 2082740), (40, 1666192), (44, 1514720), (55, 1211776), (64, 1041370), (80, 833096), (88, 757360), (110, 605888), (128, 520685), (160, 416548), (176, 378680), (220, 302944), (320, 208274), (352, 189340), (440, 151472), (640, 104137), (704, 94670), (880, 75736), (1408, 47335), (1760, 37868), (3520, 18934), (7040, 9467)]