18423847540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1\times {\mathrm{2029}}^1$

素因数の和:2945

約数の個数: 96

約数和(自身を含む): 44853580800

約数和(自身を除く): 26429733260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 821, 1106, 1580, 1642, 2029, 2212, 2765, 3284, 4058, 4105, 5530, 5747, 8116, 8210, 10145, 11060, 11494, 14203, 16420, 20290, 22988, 28406, 28735, 40580, 56812, 57470, 64859, 71015, 114940, 129718, 142030, 160291, 259436, 284060, 320582, 324295, 454013, 641164, 648590, 801455, 908026, 1122037, 1297180, 1602910, 1665809, 1816052, 2244074, 2270065, 3205820, 3331618, 4488148, 4540130, 5610185, 6663236, 8329045, 9080260, 11220370, 11660663, 16658090, 22440740, 23321326, 33316180, 46642652, 58303315, 116606630, 131598911, 233213260, 263197822, 526395644, 657994555, 921192377, 1315989110, 1842384754, 2631978220, 3684769508, 4605961885, 9211923770, 18423847540]

約数ペア:

[(1, 18423847540), (2, 9211923770), (4, 4605961885), (5, 3684769508), (7, 2631978220), (10, 1842384754), (14, 1315989110), (20, 921192377), (28, 657994555), (35, 526395644), (70, 263197822), (79, 233213260), (140, 131598911), (158, 116606630), (316, 58303315), (395, 46642652), (553, 33316180), (790, 23321326), (821, 22440740), (1106, 16658090), (1580, 11660663), (1642, 11220370), (2029, 9080260), (2212, 8329045), (2765, 6663236), (3284, 5610185), (4058, 4540130), (4105, 4488148), (5530, 3331618), (5747, 3205820), (8116, 2270065), (8210, 2244074), (10145, 1816052), (11060, 1665809), (11494, 1602910), (14203, 1297180), (16420, 1122037), (20290, 908026), (22988, 801455), (28406, 648590), (28735, 641164), (40580, 454013), (56812, 324295), (57470, 320582), (64859, 284060), (71015, 259436), (114940, 160291), (129718, 142030)]