89678480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1512

約数の個数: 80

約数和(自身を含む): 224985600

約数和(自身を除く): 135307120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1439, 1520, 1558, 1640, 2878, 3116, 3280, 3895, 5756, 6232, 7195, 7790, 11512, 12464, 14390, 15580, 23024, 27341, 28780, 31160, 54682, 57560, 58999, 62320, 109364, 115120, 117998, 136705, 218728, 235996, 273410, 294995, 437456, 471992, 546820, 589990, 943984, 1093640, 1120981, 1179980, 2187280, 2241962, 2359960, 4483924, 4719920, 5604905, 8967848, 11209810, 17935696, 22419620, 44839240, 89678480]

約数ペア:

[(1, 89678480), (2, 44839240), (4, 22419620), (5, 17935696), (8, 11209810), (10, 8967848), (16, 5604905), (19, 4719920), (20, 4483924), (38, 2359960), (40, 2241962), (41, 2187280), (76, 1179980), (80, 1120981), (82, 1093640), (95, 943984), (152, 589990), (164, 546820), (190, 471992), (205, 437456), (304, 294995), (328, 273410), (380, 235996), (410, 218728), (656, 136705), (760, 117998), (779, 115120), (820, 109364), (1439, 62320), (1520, 58999), (1558, 57560), (1640, 54682), (2878, 31160), (3116, 28780), (3280, 27341), (3895, 23024), (5756, 15580), (6232, 14390), (7195, 12464), (7790, 11512)]