31167080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1506

約数の個数: 64

約数和(自身を含む): 81216000

約数和(自身を除く): 50048920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1409, 1580, 2212, 2765, 2818, 3160, 4424, 5530, 5636, 7045, 9863, 11060, 11272, 14090, 19726, 22120, 28180, 39452, 49315, 56360, 78904, 98630, 111311, 197260, 222622, 394520, 445244, 556555, 779177, 890488, 1113110, 1558354, 2226220, 3116708, 3895885, 4452440, 6233416, 7791770, 15583540, 31167080]

約数ペア:

[(1, 31167080), (2, 15583540), (4, 7791770), (5, 6233416), (7, 4452440), (8, 3895885), (10, 3116708), (14, 2226220), (20, 1558354), (28, 1113110), (35, 890488), (40, 779177), (56, 556555), (70, 445244), (79, 394520), (140, 222622), (158, 197260), (280, 111311), (316, 98630), (395, 78904), (553, 56360), (632, 49315), (790, 39452), (1106, 28180), (1409, 22120), (1580, 19726), (2212, 14090), (2765, 11272), (2818, 11060), (3160, 9863), (4424, 7045), (5530, 5636)]