123306040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21557}}^1$

素因数の和:21592

約数の個数: 64

約数和(自身を含む): 325956960

約数和(自身を除く): 202650920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 21557, 43114, 86228, 107785, 172456, 215570, 237127, 280241, 431140, 474254, 560482, 862280, 948508, 1120964, 1185635, 1401205, 1897016, 2241928, 2371270, 2802410, 3082651, 4742540, 5604820, 6165302, 9485080, 11209640, 12330604, 15413255, 24661208, 30826510, 61653020, 123306040]

約数ペア:

[(1, 123306040), (2, 61653020), (4, 30826510), (5, 24661208), (8, 15413255), (10, 12330604), (11, 11209640), (13, 9485080), (20, 6165302), (22, 5604820), (26, 4742540), (40, 3082651), (44, 2802410), (52, 2371270), (55, 2241928), (65, 1897016), (88, 1401205), (104, 1185635), (110, 1120964), (130, 948508), (143, 862280), (220, 560482), (260, 474254), (286, 431140), (440, 280241), (520, 237127), (572, 215570), (715, 172456), (1144, 107785), (1430, 86228), (2860, 43114), (5720, 21557)]