247370720

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21179}}^1$

素因数の和:21267

約数の個数: 48

約数和(自身を含む): 592446960

約数和(自身を除く): 345076240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5840, 11680, 21179, 42358, 84716, 105895, 169432, 211790, 338864, 423580, 677728, 847160, 1546067, 1694320, 3092134, 3388640, 6184268, 7730335, 12368536, 15460670, 24737072, 30921340, 49474144, 61842680, 123685360, 247370720]

約数ペア:

[(1, 247370720), (2, 123685360), (4, 61842680), (5, 49474144), (8, 30921340), (10, 24737072), (16, 15460670), (20, 12368536), (32, 7730335), (40, 6184268), (73, 3388640), (80, 3092134), (146, 1694320), (160, 1546067), (292, 847160), (365, 677728), (584, 423580), (730, 338864), (1168, 211790), (1460, 169432), (2336, 105895), (2920, 84716), (5840, 42358), (11680, 21179)]