61662040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 152163360

約数和(自身を除く): 90501320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 353, 397, 440, 706, 794, 1412, 1588, 1765, 1985, 2824, 3176, 3530, 3883, 3970, 4367, 7060, 7766, 7940, 8734, 14120, 15532, 15880, 17468, 19415, 21835, 31064, 34936, 38830, 43670, 77660, 87340, 140141, 155320, 174680, 280282, 560564, 700705, 1121128, 1401410, 1541551, 2802820, 3083102, 5605640, 6166204, 7707755, 12332408, 15415510, 30831020, 61662040]

約数ペア:

[(1, 61662040), (2, 30831020), (4, 15415510), (5, 12332408), (8, 7707755), (10, 6166204), (11, 5605640), (20, 3083102), (22, 2802820), (40, 1541551), (44, 1401410), (55, 1121128), (88, 700705), (110, 560564), (220, 280282), (353, 174680), (397, 155320), (440, 140141), (706, 87340), (794, 77660), (1412, 43670), (1588, 38830), (1765, 34936), (1985, 31064), (2824, 21835), (3176, 19415), (3530, 17468), (3883, 15880), (3970, 15532), (4367, 14120), (7060, 8734), (7766, 7940)]