135289640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 316915200

約数和(自身を除く): 181625560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 223, 232, 290, 446, 523, 580, 892, 1046, 1115, 1160, 1784, 2092, 2230, 2615, 4184, 4460, 5230, 6467, 8920, 10460, 12934, 15167, 20920, 25868, 30334, 32335, 51736, 60668, 64670, 75835, 116629, 121336, 129340, 151670, 233258, 258680, 303340, 466516, 583145, 606680, 933032, 1166290, 2332580, 3382241, 4665160, 6764482, 13528964, 16911205, 27057928, 33822410, 67644820, 135289640]

約数ペア:

[(1, 135289640), (2, 67644820), (4, 33822410), (5, 27057928), (8, 16911205), (10, 13528964), (20, 6764482), (29, 4665160), (40, 3382241), (58, 2332580), (116, 1166290), (145, 933032), (223, 606680), (232, 583145), (290, 466516), (446, 303340), (523, 258680), (580, 233258), (892, 151670), (1046, 129340), (1115, 121336), (1160, 116629), (1784, 75835), (2092, 64670), (2230, 60668), (2615, 51736), (4184, 32335), (4460, 30334), (5230, 25868), (6467, 20920), (8920, 15167), (10460, 12934)]