253406080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23291}}^1$

素因数の和:23327

約数の個数: 64

約数和(自身を含む): 641461680

約数和(自身を除く): 388055600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 23291, 46582, 93164, 116455, 186328, 232910, 372656, 395947, 465820, 745312, 791894, 931640, 1490624, 1583788, 1863280, 1979735, 2981248, 3167576, 3726560, 3959470, 6335152, 7453120, 7918940, 12670304, 14906240, 15837880, 25340608, 31675760, 50681216, 63351520, 126703040, 253406080]

約数ペア:

[(1, 253406080), (2, 126703040), (4, 63351520), (5, 50681216), (8, 31675760), (10, 25340608), (16, 15837880), (17, 14906240), (20, 12670304), (32, 7918940), (34, 7453120), (40, 6335152), (64, 3959470), (68, 3726560), (80, 3167576), (85, 2981248), (128, 1979735), (136, 1863280), (160, 1583788), (170, 1490624), (272, 931640), (320, 791894), (340, 745312), (544, 465820), (640, 395947), (680, 372656), (1088, 232910), (1360, 186328), (2176, 116455), (2720, 93164), (5440, 46582), (10880, 23291)]