320740440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1137

約数の個数: 128

約数和(自身を含む): 1001721600

約数和(自身を除く): 680981160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 61, 86, 120, 122, 129, 172, 183, 215, 244, 258, 305, 344, 366, 430, 488, 516, 610, 645, 732, 860, 915, 1019, 1032, 1220, 1290, 1464, 1720, 1830, 2038, 2440, 2580, 2623, 3057, 3660, 4076, 5095, 5160, 5246, 6114, 7320, 7869, 8152, 10190, 10492, 12228, 13115, 15285, 15738, 20380, 20984, 24456, 26230, 30570, 31476, 39345, 40760, 43817, 52460, 61140, 62159, 62952, 78690, 87634, 104920, 122280, 124318, 131451, 157380, 175268, 186477, 219085, 248636, 262902, 310795, 314760, 350536, 372954, 438170, 497272, 525804, 621590, 657255, 745908, 876340, 932385, 1051608, 1243180, 1314510, 1491816, 1752680, 1864770, 2486360, 2629020, 2672837, 3729540, 5258040, 5345674, 7459080, 8018511, 10691348, 13364185, 16037022, 21382696, 26728370, 32074044, 40092555, 53456740, 64148088, 80185110, 106913480, 160370220, 320740440]

約数ペア:

[(1, 320740440), (2, 160370220), (3, 106913480), (4, 80185110), (5, 64148088), (6, 53456740), (8, 40092555), (10, 32074044), (12, 26728370), (15, 21382696), (20, 16037022), (24, 13364185), (30, 10691348), (40, 8018511), (43, 7459080), (60, 5345674), (61, 5258040), (86, 3729540), (120, 2672837), (122, 2629020), (129, 2486360), (172, 1864770), (183, 1752680), (215, 1491816), (244, 1314510), (258, 1243180), (305, 1051608), (344, 932385), (366, 876340), (430, 745908), (488, 657255), (516, 621590), (610, 525804), (645, 497272), (732, 438170), (860, 372954), (915, 350536), (1019, 314760), (1032, 310795), (1220, 262902), (1290, 248636), (1464, 219085), (1720, 186477), (1830, 175268), (2038, 157380), (2440, 131451), (2580, 124318), (2623, 122280), (3057, 104920), (3660, 87634), (4076, 78690), (5095, 62952), (5160, 62159), (5246, 61140), (6114, 52460), (7320, 43817), (7869, 40760), (8152, 39345), (10190, 31476), (10492, 30570), (12228, 26230), (13115, 24456), (15285, 20984), (15738, 20380)]