33778640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1231}}^1$

素因数の和:1265

約数の個数: 80

約数和(自身を含む): 91660800

約数和(自身を除く): 57882160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1231, 1372, 1715, 1960, 2462, 2744, 3430, 3920, 4924, 5488, 6155, 6860, 8617, 9848, 12310, 13720, 17234, 19696, 24620, 27440, 34468, 43085, 49240, 60319, 68936, 86170, 98480, 120638, 137872, 172340, 241276, 301595, 344680, 422233, 482552, 603190, 689360, 844466, 965104, 1206380, 1688932, 2111165, 2412760, 3377864, 4222330, 4825520, 6755728, 8444660, 16889320, 33778640]

約数ペア:

[(1, 33778640), (2, 16889320), (4, 8444660), (5, 6755728), (7, 4825520), (8, 4222330), (10, 3377864), (14, 2412760), (16, 2111165), (20, 1688932), (28, 1206380), (35, 965104), (40, 844466), (49, 689360), (56, 603190), (70, 482552), (80, 422233), (98, 344680), (112, 301595), (140, 241276), (196, 172340), (245, 137872), (280, 120638), (343, 98480), (392, 86170), (490, 68936), (560, 60319), (686, 49240), (784, 43085), (980, 34468), (1231, 27440), (1372, 24620), (1715, 19696), (1960, 17234), (2462, 13720), (2744, 12310), (3430, 9848), (3920, 8617), (4924, 6860), (5488, 6155)]