91131880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1201}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 235399680

約数和(自身を除く): 144267800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1201, 1355, 1897, 2168, 2402, 2710, 3794, 4804, 5420, 6005, 7588, 8407, 9485, 9608, 10840, 12010, 15176, 16814, 18970, 24020, 33628, 37940, 42035, 48040, 67256, 75880, 84070, 168140, 325471, 336280, 650942, 1301884, 1627355, 2278297, 2603768, 3254710, 4556594, 6509420, 9113188, 11391485, 13018840, 18226376, 22782970, 45565940, 91131880]

約数ペア:

[(1, 91131880), (2, 45565940), (4, 22782970), (5, 18226376), (7, 13018840), (8, 11391485), (10, 9113188), (14, 6509420), (20, 4556594), (28, 3254710), (35, 2603768), (40, 2278297), (56, 1627355), (70, 1301884), (140, 650942), (271, 336280), (280, 325471), (542, 168140), (1084, 84070), (1201, 75880), (1355, 67256), (1897, 48040), (2168, 42035), (2402, 37940), (2710, 33628), (3794, 24020), (4804, 18970), (5420, 16814), (6005, 15176), (7588, 12010), (8407, 10840), (9485, 9608)]