18620640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 64825488

約数和(自身を除く): 46204848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 193, 201, 240, 268, 288, 335, 360, 386, 402, 480, 536, 579, 603, 670, 720, 772, 804, 965, 1005, 1072, 1158, 1206, 1340, 1440, 1544, 1608, 1737, 1930, 2010, 2144, 2316, 2412, 2680, 2895, 3015, 3088, 3216, 3474, 3860, 4020, 4632, 4824, 5360, 5790, 6030, 6176, 6432, 6948, 7720, 8040, 8685, 9264, 9648, 10720, 11580, 12060, 12931, 13896, 15440, 16080, 17370, 18528, 19296, 23160, 24120, 25862, 27792, 30880, 32160, 34740, 38793, 46320, 48240, 51724, 55584, 64655, 69480, 77586, 92640, 96480, 103448, 116379, 129310, 138960, 155172, 193965, 206896, 232758, 258620, 277920, 310344, 387930, 413792, 465516, 517240, 581895, 620688, 775860, 931032, 1034480, 1163790, 1241376, 1551720, 1862064, 2068960, 2327580, 3103440, 3724128, 4655160, 6206880, 9310320, 18620640]

約数ペア:

[(1, 18620640), (2, 9310320), (3, 6206880), (4, 4655160), (5, 3724128), (6, 3103440), (8, 2327580), (9, 2068960), (10, 1862064), (12, 1551720), (15, 1241376), (16, 1163790), (18, 1034480), (20, 931032), (24, 775860), (30, 620688), (32, 581895), (36, 517240), (40, 465516), (45, 413792), (48, 387930), (60, 310344), (67, 277920), (72, 258620), (80, 232758), (90, 206896), (96, 193965), (120, 155172), (134, 138960), (144, 129310), (160, 116379), (180, 103448), (193, 96480), (201, 92640), (240, 77586), (268, 69480), (288, 64655), (335, 55584), (360, 51724), (386, 48240), (402, 46320), (480, 38793), (536, 34740), (579, 32160), (603, 30880), (670, 27792), (720, 25862), (772, 24120), (804, 23160), (965, 19296), (1005, 18528), (1072, 17370), (1158, 16080), (1206, 15440), (1340, 13896), (1440, 12931), (1544, 12060), (1608, 11580), (1737, 10720), (1930, 9648), (2010, 9264), (2144, 8685), (2316, 8040), (2412, 7720), (2680, 6948), (2895, 6432), (3015, 6176), (3088, 6030), (3216, 5790), (3474, 5360), (3860, 4824), (4020, 4632)]