123693040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4283}}^1$

素因数の和:4334

約数の個数: 60

約数和(自身を含む): 303589944

約数和(自身を除く): 179896904

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, 2888, 3610, 4283, 5776, 7220, 8566, 14440, 17132, 21415, 28880, 34264, 42830, 68528, 81377, 85660, 162754, 171320, 325508, 342640, 406885, 651016, 813770, 1302032, 1546163, 1627540, 3092326, 3255080, 6184652, 6510160, 7730815, 12369304, 15461630, 24738608, 30923260, 61846520, 123693040]

約数ペア:

[(1, 123693040), (2, 61846520), (4, 30923260), (5, 24738608), (8, 15461630), (10, 12369304), (16, 7730815), (19, 6510160), (20, 6184652), (38, 3255080), (40, 3092326), (76, 1627540), (80, 1546163), (95, 1302032), (152, 813770), (190, 651016), (304, 406885), (361, 342640), (380, 325508), (722, 171320), (760, 162754), (1444, 85660), (1520, 81377), (1805, 68528), (2888, 42830), (3610, 34264), (4283, 28880), (5776, 21415), (7220, 17132), (8566, 14440)]