121666960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 302163696

約数和(自身を除く): 180496736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 548, 653, 680, 685, 1096, 1306, 1360, 1370, 2192, 2329, 2612, 2740, 3265, 4658, 5224, 5480, 6530, 9316, 10448, 10960, 11101, 11645, 13060, 18632, 22202, 23290, 26120, 37264, 44404, 46580, 52240, 55505, 88808, 89461, 93160, 111010, 177616, 178922, 186320, 222020, 357844, 444040, 447305, 715688, 888080, 894610, 1431376, 1520837, 1789220, 3041674, 3578440, 6083348, 7156880, 7604185, 12166696, 15208370, 24333392, 30416740, 60833480, 121666960]

約数ペア:

[(1, 121666960), (2, 60833480), (4, 30416740), (5, 24333392), (8, 15208370), (10, 12166696), (16, 7604185), (17, 7156880), (20, 6083348), (34, 3578440), (40, 3041674), (68, 1789220), (80, 1520837), (85, 1431376), (136, 894610), (137, 888080), (170, 715688), (272, 447305), (274, 444040), (340, 357844), (548, 222020), (653, 186320), (680, 178922), (685, 177616), (1096, 111010), (1306, 93160), (1360, 89461), (1370, 88808), (2192, 55505), (2329, 52240), (2612, 46580), (2740, 44404), (3265, 37264), (4658, 26120), (5224, 23290), (5480, 22202), (6530, 18632), (9316, 13060), (10448, 11645), (10960, 11101)]