1656760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 4374720

約数和(自身を除く): 2717960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 97, 122, 140, 194, 244, 280, 305, 388, 427, 485, 488, 610, 679, 776, 854, 970, 1220, 1358, 1708, 1940, 2135, 2440, 2716, 3395, 3416, 3880, 4270, 5432, 5917, 6790, 8540, 11834, 13580, 17080, 23668, 27160, 29585, 41419, 47336, 59170, 82838, 118340, 165676, 207095, 236680, 331352, 414190, 828380, 1656760]

約数ペア:

[(1, 1656760), (2, 828380), (4, 414190), (5, 331352), (7, 236680), (8, 207095), (10, 165676), (14, 118340), (20, 82838), (28, 59170), (35, 47336), (40, 41419), (56, 29585), (61, 27160), (70, 23668), (97, 17080), (122, 13580), (140, 11834), (194, 8540), (244, 6790), (280, 5917), (305, 5432), (388, 4270), (427, 3880), (485, 3416), (488, 3395), (610, 2716), (679, 2440), (776, 2135), (854, 1940), (970, 1708), (1220, 1358)]