68821040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2383}}^1$

素因数の和:2434

約数の個数: 60

約数和(自身を含む): 168944544

約数和(自身を除く): 100123504

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2383, 2888, 3610, 4766, 5776, 7220, 9532, 11915, 14440, 19064, 23830, 28880, 38128, 45277, 47660, 90554, 95320, 181108, 190640, 226385, 362216, 452770, 724432, 860263, 905540, 1720526, 1811080, 3441052, 3622160, 4301315, 6882104, 8602630, 13764208, 17205260, 34410520, 68821040]

約数ペア:

[(1, 68821040), (2, 34410520), (4, 17205260), (5, 13764208), (8, 8602630), (10, 6882104), (16, 4301315), (19, 3622160), (20, 3441052), (38, 1811080), (40, 1720526), (76, 905540), (80, 860263), (95, 724432), (152, 452770), (190, 362216), (304, 226385), (361, 190640), (380, 181108), (722, 95320), (760, 90554), (1444, 47660), (1520, 45277), (1805, 38128), (2383, 28880), (2888, 23830), (3610, 19064), (4766, 14440), (5776, 11915), (7220, 9532)]