205303920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1931}}^1$

素因数の和:2390

約数の個数: 80

約数和(自身を含む): 638209152

約数和(自身を除く): 432905232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 443, 886, 1329, 1772, 1931, 2215, 2658, 3544, 3862, 4430, 5316, 5793, 6645, 7088, 7724, 8860, 9655, 10632, 11586, 13290, 15448, 17720, 19310, 21264, 23172, 26580, 28965, 30896, 35440, 38620, 46344, 53160, 57930, 77240, 92688, 106320, 115860, 154480, 231720, 463440, 855433, 1710866, 2566299, 3421732, 4277165, 5132598, 6843464, 8554330, 10265196, 12831495, 13686928, 17108660, 20530392, 25662990, 34217320, 41060784, 51325980, 68434640, 102651960, 205303920]

約数ペア:

[(1, 205303920), (2, 102651960), (3, 68434640), (4, 51325980), (5, 41060784), (6, 34217320), (8, 25662990), (10, 20530392), (12, 17108660), (15, 13686928), (16, 12831495), (20, 10265196), (24, 8554330), (30, 6843464), (40, 5132598), (48, 4277165), (60, 3421732), (80, 2566299), (120, 1710866), (240, 855433), (443, 463440), (886, 231720), (1329, 154480), (1772, 115860), (1931, 106320), (2215, 92688), (2658, 77240), (3544, 57930), (3862, 53160), (4430, 46344), (5316, 38620), (5793, 35440), (6645, 30896), (7088, 28965), (7724, 26580), (8860, 23172), (9655, 21264), (10632, 19310), (11586, 17720), (13290, 15448)]