245254920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120223}}^1$

素因数の和:120254

約数の個数: 64

約数和(自身を含む): 779051520

約数和(自身を除く): 533796600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 120223, 240446, 360669, 480892, 601115, 721338, 961784, 1202230, 1442676, 1803345, 2043791, 2404460, 2885352, 3606690, 4087582, 4808920, 6131373, 7213380, 8175164, 10218955, 12262746, 14426760, 16350328, 20437910, 24525492, 30656865, 40875820, 49050984, 61313730, 81751640, 122627460, 245254920]

約数ペア:

[(1, 245254920), (2, 122627460), (3, 81751640), (4, 61313730), (5, 49050984), (6, 40875820), (8, 30656865), (10, 24525492), (12, 20437910), (15, 16350328), (17, 14426760), (20, 12262746), (24, 10218955), (30, 8175164), (34, 7213380), (40, 6131373), (51, 4808920), (60, 4087582), (68, 3606690), (85, 2885352), (102, 2404460), (120, 2043791), (136, 1803345), (170, 1442676), (204, 1202230), (255, 961784), (340, 721338), (408, 601115), (510, 480892), (680, 360669), (1020, 240446), (2040, 120223)]