290875440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71293}}^1$

素因数の和:71326

約数の個数: 80

約数和(自身を含む): 954769248

約数和(自身を除く): 663893808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 71293, 142586, 213879, 285172, 356465, 427758, 570344, 712930, 855516, 1069395, 1140688, 1211981, 1425860, 1711032, 2138790, 2423962, 2851720, 3422064, 3635943, 4277580, 4847924, 5703440, 6059905, 7271886, 8555160, 9695848, 12119810, 14543772, 17110320, 18179715, 19391696, 24239620, 29087544, 36359430, 48479240, 58175088, 72718860, 96958480, 145437720, 290875440]

約数ペア:

[(1, 290875440), (2, 145437720), (3, 96958480), (4, 72718860), (5, 58175088), (6, 48479240), (8, 36359430), (10, 29087544), (12, 24239620), (15, 19391696), (16, 18179715), (17, 17110320), (20, 14543772), (24, 12119810), (30, 9695848), (34, 8555160), (40, 7271886), (48, 6059905), (51, 5703440), (60, 4847924), (68, 4277580), (80, 3635943), (85, 3422064), (102, 2851720), (120, 2423962), (136, 2138790), (170, 1711032), (204, 1425860), (240, 1211981), (255, 1140688), (272, 1069395), (340, 855516), (408, 712930), (510, 570344), (680, 427758), (816, 356465), (1020, 285172), (1360, 213879), (2040, 142586), (4080, 71293)]