90663680

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 218887872

約数和(自身を除く): 128224192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 367, 386, 640, 734, 772, 965, 1280, 1468, 1544, 1835, 1930, 2936, 3088, 3670, 3860, 5872, 6176, 7340, 7720, 11744, 12352, 14680, 15440, 23488, 24704, 29360, 30880, 46976, 49408, 58720, 61760, 70831, 93952, 117440, 123520, 141662, 234880, 247040, 283324, 354155, 469760, 566648, 708310, 1133296, 1416620, 2266592, 2833240, 4533184, 5666480, 9066368, 11332960, 18132736, 22665920, 45331840, 90663680]

約数ペア:

[(1, 90663680), (2, 45331840), (4, 22665920), (5, 18132736), (8, 11332960), (10, 9066368), (16, 5666480), (20, 4533184), (32, 2833240), (40, 2266592), (64, 1416620), (80, 1133296), (128, 708310), (160, 566648), (193, 469760), (256, 354155), (320, 283324), (367, 247040), (386, 234880), (640, 141662), (734, 123520), (772, 117440), (965, 93952), (1280, 70831), (1468, 61760), (1544, 58720), (1835, 49408), (1930, 46976), (2936, 30880), (3088, 29360), (3670, 24704), (3860, 23488), (5872, 15440), (6176, 14680), (7340, 12352), (7720, 11744)]