61878320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2418

約数の個数: 80

約数和(自身を含む): 167989248

約数和(自身を除く): 106110928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2351, 2632, 3290, 3760, 4702, 5264, 6580, 9404, 11755, 13160, 16457, 18808, 23510, 26320, 32914, 37616, 47020, 65828, 82285, 94040, 110497, 131656, 164570, 188080, 220994, 263312, 329140, 441988, 552485, 658280, 773479, 883976, 1104970, 1316560, 1546958, 1767952, 2209940, 3093916, 3867395, 4419880, 6187832, 7734790, 8839760, 12375664, 15469580, 30939160, 61878320]

約数ペア:

[(1, 61878320), (2, 30939160), (4, 15469580), (5, 12375664), (7, 8839760), (8, 7734790), (10, 6187832), (14, 4419880), (16, 3867395), (20, 3093916), (28, 2209940), (35, 1767952), (40, 1546958), (47, 1316560), (56, 1104970), (70, 883976), (80, 773479), (94, 658280), (112, 552485), (140, 441988), (188, 329140), (235, 263312), (280, 220994), (329, 188080), (376, 164570), (470, 131656), (560, 110497), (658, 94040), (752, 82285), (940, 65828), (1316, 47020), (1645, 37616), (1880, 32914), (2351, 26320), (2632, 23510), (3290, 18808), (3760, 16457), (4702, 13160), (5264, 11755), (6580, 9404)]