21631440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 67549248

約数和(自身を除く): 45917808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 467, 579, 772, 934, 965, 1158, 1401, 1544, 1868, 1930, 2316, 2335, 2802, 2895, 3088, 3736, 3860, 4632, 4670, 5604, 5790, 7005, 7472, 7720, 9264, 9340, 11208, 11580, 14010, 15440, 18680, 22416, 23160, 28020, 37360, 46320, 56040, 90131, 112080, 180262, 270393, 360524, 450655, 540786, 721048, 901310, 1081572, 1351965, 1442096, 1802620, 2163144, 2703930, 3605240, 4326288, 5407860, 7210480, 10815720, 21631440]

約数ペア:

[(1, 21631440), (2, 10815720), (3, 7210480), (4, 5407860), (5, 4326288), (6, 3605240), (8, 2703930), (10, 2163144), (12, 1802620), (15, 1442096), (16, 1351965), (20, 1081572), (24, 901310), (30, 721048), (40, 540786), (48, 450655), (60, 360524), (80, 270393), (120, 180262), (193, 112080), (240, 90131), (386, 56040), (467, 46320), (579, 37360), (772, 28020), (934, 23160), (965, 22416), (1158, 18680), (1401, 15440), (1544, 14010), (1868, 11580), (1930, 11208), (2316, 9340), (2335, 9264), (2802, 7720), (2895, 7472), (3088, 7005), (3736, 5790), (3860, 5604), (4632, 4670)]