157291960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{80251}}^1$

素因数の和:80276

約数の個数: 48

約数和(自身を含む): 411692760

約数和(自身を除く): 254400800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 80251, 160502, 321004, 401255, 561757, 642008, 802510, 1123514, 1605020, 2247028, 2808785, 3210040, 3932299, 4494056, 5617570, 7864598, 11235140, 15729196, 19661495, 22470280, 31458392, 39322990, 78645980, 157291960]

約数ペア:

[(1, 157291960), (2, 78645980), (4, 39322990), (5, 31458392), (7, 22470280), (8, 19661495), (10, 15729196), (14, 11235140), (20, 7864598), (28, 5617570), (35, 4494056), (40, 3932299), (49, 3210040), (56, 2808785), (70, 2247028), (98, 1605020), (140, 1123514), (196, 802510), (245, 642008), (280, 561757), (392, 401255), (490, 321004), (980, 160502), (1960, 80251)]