68273520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40639}}^1$

素因数の和:40662

約数の個数: 80

約数和(自身を含む): 241889280

約数和(自身を除く): 173615760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40639, 81278, 121917, 162556, 203195, 243834, 284473, 325112, 406390, 487668, 568946, 609585, 650224, 812780, 853419, 975336, 1137892, 1219170, 1422365, 1625560, 1706838, 1950672, 2275784, 2438340, 2844730, 3251120, 3413676, 4267095, 4551568, 4876680, 5689460, 6827352, 8534190, 9753360, 11378920, 13654704, 17068380, 22757840, 34136760, 68273520]

約数ペア:

[(1, 68273520), (2, 34136760), (3, 22757840), (4, 17068380), (5, 13654704), (6, 11378920), (7, 9753360), (8, 8534190), (10, 6827352), (12, 5689460), (14, 4876680), (15, 4551568), (16, 4267095), (20, 3413676), (21, 3251120), (24, 2844730), (28, 2438340), (30, 2275784), (35, 1950672), (40, 1706838), (42, 1625560), (48, 1422365), (56, 1219170), (60, 1137892), (70, 975336), (80, 853419), (84, 812780), (105, 650224), (112, 609585), (120, 568946), (140, 487668), (168, 406390), (210, 325112), (240, 284473), (280, 243834), (336, 203195), (420, 162556), (560, 121917), (840, 81278), (1680, 40639)]