123975280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10837}}^1$

素因数の和:10874

約数の個数: 80

約数和(自身を含む): 338665824

約数和(自身を除く): 214690544

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 10837, 11440, 21674, 43348, 54185, 86696, 108370, 119207, 140881, 173392, 216740, 238414, 281762, 433480, 476828, 563524, 596035, 704405, 866960, 953656, 1127048, 1192070, 1408810, 1549691, 1907312, 2254096, 2384140, 2817620, 3099382, 4768280, 5635240, 6198764, 7748455, 9536560, 11270480, 12397528, 15496910, 24795056, 30993820, 61987640, 123975280]

約数ペア:

[(1, 123975280), (2, 61987640), (4, 30993820), (5, 24795056), (8, 15496910), (10, 12397528), (11, 11270480), (13, 9536560), (16, 7748455), (20, 6198764), (22, 5635240), (26, 4768280), (40, 3099382), (44, 2817620), (52, 2384140), (55, 2254096), (65, 1907312), (80, 1549691), (88, 1408810), (104, 1192070), (110, 1127048), (130, 953656), (143, 866960), (176, 704405), (208, 596035), (220, 563524), (260, 476828), (286, 433480), (440, 281762), (520, 238414), (572, 216740), (715, 173392), (880, 140881), (1040, 119207), (1144, 108370), (1430, 86696), (2288, 54185), (2860, 43348), (5720, 21674), (10837, 11440)]