11918720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1693}}^1$

素因数の和:1723

約数の個数: 64

約数和(自身を含む): 31101840

約数和(自身を除く): 19183120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1693, 1760, 3386, 3520, 6772, 7040, 8465, 13544, 16930, 18623, 27088, 33860, 37246, 54176, 67720, 74492, 93115, 108352, 135440, 148984, 186230, 216704, 270880, 297968, 372460, 541760, 595936, 744920, 1083520, 1191872, 1489840, 2383744, 2979680, 5959360, 11918720]

約数ペア:

[(1, 11918720), (2, 5959360), (4, 2979680), (5, 2383744), (8, 1489840), (10, 1191872), (11, 1083520), (16, 744920), (20, 595936), (22, 541760), (32, 372460), (40, 297968), (44, 270880), (55, 216704), (64, 186230), (80, 148984), (88, 135440), (110, 108352), (128, 93115), (160, 74492), (176, 67720), (220, 54176), (320, 37246), (352, 33860), (440, 27088), (640, 18623), (704, 16930), (880, 13544), (1408, 8465), (1693, 7040), (1760, 6772), (3386, 3520)]