1880320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 4893336

約数和(自身を除く): 3013016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 113, 128, 130, 160, 208, 226, 256, 260, 320, 416, 452, 520, 565, 640, 832, 904, 1040, 1130, 1280, 1469, 1664, 1808, 2080, 2260, 2938, 3328, 3616, 4160, 4520, 5876, 7232, 7345, 8320, 9040, 11752, 14464, 14690, 16640, 18080, 23504, 28928, 29380, 36160, 47008, 58760, 72320, 94016, 117520, 144640, 188032, 235040, 376064, 470080, 940160, 1880320]

約数ペア:

[(1, 1880320), (2, 940160), (4, 470080), (5, 376064), (8, 235040), (10, 188032), (13, 144640), (16, 117520), (20, 94016), (26, 72320), (32, 58760), (40, 47008), (52, 36160), (64, 29380), (65, 28928), (80, 23504), (104, 18080), (113, 16640), (128, 14690), (130, 14464), (160, 11752), (208, 9040), (226, 8320), (256, 7345), (260, 7232), (320, 5876), (416, 4520), (452, 4160), (520, 3616), (565, 3328), (640, 2938), (832, 2260), (904, 2080), (1040, 1808), (1130, 1664), (1280, 1469)]