74123920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 186988032

約数和(自身を除く): 112864112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 263, 271, 520, 526, 542, 1040, 1052, 1084, 1315, 1355, 2104, 2168, 2630, 2710, 3419, 3523, 4208, 4336, 5260, 5420, 6838, 7046, 10520, 10840, 13676, 14092, 17095, 17615, 21040, 21680, 27352, 28184, 34190, 35230, 54704, 56368, 68380, 70460, 71273, 136760, 140920, 142546, 273520, 281840, 285092, 356365, 570184, 712730, 926549, 1140368, 1425460, 1853098, 2850920, 3706196, 4632745, 5701840, 7412392, 9265490, 14824784, 18530980, 37061960, 74123920]

約数ペア:

[(1, 74123920), (2, 37061960), (4, 18530980), (5, 14824784), (8, 9265490), (10, 7412392), (13, 5701840), (16, 4632745), (20, 3706196), (26, 2850920), (40, 1853098), (52, 1425460), (65, 1140368), (80, 926549), (104, 712730), (130, 570184), (208, 356365), (260, 285092), (263, 281840), (271, 273520), (520, 142546), (526, 140920), (542, 136760), (1040, 71273), (1052, 70460), (1084, 68380), (1315, 56368), (1355, 54704), (2104, 35230), (2168, 34190), (2630, 28184), (2710, 27352), (3419, 21680), (3523, 21040), (4208, 17615), (4336, 17095), (5260, 14092), (5420, 13676), (6838, 10840), (7046, 10520)]