164455760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41953}}^1$

素因数の和:41980

約数の個数: 60

約数和(自身を含む): 444796308

約数和(自身を除く): 280340548

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 41953, 83906, 167812, 209765, 293671, 335624, 419530, 587342, 671248, 839060, 1174684, 1468355, 1678120, 2055697, 2349368, 2936710, 3356240, 4111394, 4698736, 5873420, 8222788, 10278485, 11746840, 16445576, 20556970, 23493680, 32891152, 41113940, 82227880, 164455760]

約数ペア:

[(1, 164455760), (2, 82227880), (4, 41113940), (5, 32891152), (7, 23493680), (8, 20556970), (10, 16445576), (14, 11746840), (16, 10278485), (20, 8222788), (28, 5873420), (35, 4698736), (40, 4111394), (49, 3356240), (56, 2936710), (70, 2349368), (80, 2055697), (98, 1678120), (112, 1468355), (140, 1174684), (196, 839060), (245, 671248), (280, 587342), (392, 419530), (490, 335624), (560, 293671), (784, 209765), (980, 167812), (1960, 83906), (3920, 41953)]