217441620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109819}}^1$

素因数の和:109845

約数の個数: 72

約数和(自身を含む): 719540640

約数和(自身を除く): 502099020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 109819, 219638, 329457, 439276, 549095, 658914, 988371, 1098190, 1208009, 1317828, 1647285, 1976742, 2196380, 2416018, 3294570, 3624027, 3953484, 4832036, 4941855, 6040045, 6589140, 7248054, 9883710, 10872081, 12080090, 14496108, 18120135, 19767420, 21744162, 24160180, 36240270, 43488324, 54360405, 72480540, 108720810, 217441620]

約数ペア:

[(1, 217441620), (2, 108720810), (3, 72480540), (4, 54360405), (5, 43488324), (6, 36240270), (9, 24160180), (10, 21744162), (11, 19767420), (12, 18120135), (15, 14496108), (18, 12080090), (20, 10872081), (22, 9883710), (30, 7248054), (33, 6589140), (36, 6040045), (44, 4941855), (45, 4832036), (55, 3953484), (60, 3624027), (66, 3294570), (90, 2416018), (99, 2196380), (110, 1976742), (132, 1647285), (165, 1317828), (180, 1208009), (198, 1098190), (220, 988371), (330, 658914), (396, 549095), (495, 439276), (660, 329457), (990, 219638), (1980, 109819)]