90712960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10903}}^1$

素因数の和:10935

約数の個数: 64

約数和(自身を含む): 233563680

約数和(自身を除く): 142850720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 10903, 21806, 43612, 54515, 87224, 109030, 141739, 174448, 218060, 283478, 348896, 436120, 566956, 697792, 708695, 872240, 1133912, 1395584, 1417390, 1744480, 2267824, 2834780, 3488960, 4535648, 5669560, 6977920, 9071296, 11339120, 18142592, 22678240, 45356480, 90712960]

約数ペア:

[(1, 90712960), (2, 45356480), (4, 22678240), (5, 18142592), (8, 11339120), (10, 9071296), (13, 6977920), (16, 5669560), (20, 4535648), (26, 3488960), (32, 2834780), (40, 2267824), (52, 1744480), (64, 1417390), (65, 1395584), (80, 1133912), (104, 872240), (128, 708695), (130, 697792), (160, 566956), (208, 436120), (260, 348896), (320, 283478), (416, 218060), (520, 174448), (640, 141739), (832, 109030), (1040, 87224), (1664, 54515), (2080, 43612), (4160, 21806), (8320, 10903)]