1081508720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{2557}}^1$

素因数の和:2898

約数の個数: 80

約数和(自身を含む): 2672025408

約数和(自身を除く): 1590516688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 311, 340, 622, 680, 1244, 1360, 1555, 2488, 2557, 3110, 4976, 5114, 5287, 6220, 10228, 10574, 12440, 12785, 20456, 21148, 24880, 25570, 26435, 40912, 42296, 43469, 51140, 52870, 84592, 86938, 102280, 105740, 173876, 204560, 211480, 217345, 347752, 422960, 434690, 695504, 795227, 869380, 1590454, 1738760, 3180908, 3477520, 3976135, 6361816, 7952270, 12723632, 13518859, 15904540, 27037718, 31809080, 54075436, 63618160, 67594295, 108150872, 135188590, 216301744, 270377180, 540754360, 1081508720]

約数ペア:

[(1, 1081508720), (2, 540754360), (4, 270377180), (5, 216301744), (8, 135188590), (10, 108150872), (16, 67594295), (17, 63618160), (20, 54075436), (34, 31809080), (40, 27037718), (68, 15904540), (80, 13518859), (85, 12723632), (136, 7952270), (170, 6361816), (272, 3976135), (311, 3477520), (340, 3180908), (622, 1738760), (680, 1590454), (1244, 869380), (1360, 795227), (1555, 695504), (2488, 434690), (2557, 422960), (3110, 347752), (4976, 217345), (5114, 211480), (5287, 204560), (6220, 173876), (10228, 105740), (10574, 102280), (12440, 86938), (12785, 84592), (20456, 52870), (21148, 51140), (24880, 43469), (25570, 42296), (26435, 40912)]