820516080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{7481}}^1$

素因数の和:7954

約数の個数: 80

約数和(自身を含む): 2549506464

約数和(自身を除く): 1728990384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 914, 1371, 1828, 2285, 2742, 3656, 4570, 5484, 6855, 7312, 7481, 9140, 10968, 13710, 14962, 18280, 21936, 22443, 27420, 29924, 36560, 37405, 44886, 54840, 59848, 74810, 89772, 109680, 112215, 119696, 149620, 179544, 224430, 299240, 359088, 448860, 598480, 897720, 1795440, 3418817, 6837634, 10256451, 13675268, 17094085, 20512902, 27350536, 34188170, 41025804, 51282255, 54701072, 68376340, 82051608, 102564510, 136752680, 164103216, 205129020, 273505360, 410258040, 820516080]

約数ペア:

[(1, 820516080), (2, 410258040), (3, 273505360), (4, 205129020), (5, 164103216), (6, 136752680), (8, 102564510), (10, 82051608), (12, 68376340), (15, 54701072), (16, 51282255), (20, 41025804), (24, 34188170), (30, 27350536), (40, 20512902), (48, 17094085), (60, 13675268), (80, 10256451), (120, 6837634), (240, 3418817), (457, 1795440), (914, 897720), (1371, 598480), (1828, 448860), (2285, 359088), (2742, 299240), (3656, 224430), (4570, 179544), (5484, 149620), (6855, 119696), (7312, 112215), (7481, 109680), (9140, 89772), (10968, 74810), (13710, 59848), (14962, 54840), (18280, 44886), (21936, 37405), (22443, 36560), (27420, 29924)]