15661431740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1575

約数の個数: 96

約数和(自身を含む): 34275225600

約数和(自身を除く): 18613793860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 137, 164, 205, 218, 274, 410, 436, 545, 548, 685, 820, 1090, 1279, 1370, 2180, 2558, 2740, 4469, 5116, 5617, 6395, 8938, 11234, 12790, 14933, 17876, 22345, 22468, 25580, 28085, 29866, 44690, 52439, 56170, 59732, 74665, 89380, 104878, 112340, 139411, 149330, 175223, 209756, 262195, 278822, 298660, 350446, 524390, 557644, 612253, 697055, 700892, 876115, 1048780, 1224506, 1394110, 1752230, 2449012, 2788220, 3061265, 3504460, 5715851, 6122530, 7184143, 11431702, 12245060, 14368286, 19099307, 22863404, 28579255, 28736572, 35920715, 38198614, 57158510, 71841430, 76397228, 95496535, 114317020, 143682860, 190993070, 381986140, 783071587, 1566143174, 3132286348, 3915357935, 7830715870, 15661431740]

約数ペア:

[(1, 15661431740), (2, 7830715870), (4, 3915357935), (5, 3132286348), (10, 1566143174), (20, 783071587), (41, 381986140), (82, 190993070), (109, 143682860), (137, 114317020), (164, 95496535), (205, 76397228), (218, 71841430), (274, 57158510), (410, 38198614), (436, 35920715), (545, 28736572), (548, 28579255), (685, 22863404), (820, 19099307), (1090, 14368286), (1279, 12245060), (1370, 11431702), (2180, 7184143), (2558, 6122530), (2740, 5715851), (4469, 3504460), (5116, 3061265), (5617, 2788220), (6395, 2449012), (8938, 1752230), (11234, 1394110), (12790, 1224506), (14933, 1048780), (17876, 876115), (22345, 700892), (22468, 697055), (25580, 612253), (28085, 557644), (29866, 524390), (44690, 350446), (52439, 298660), (56170, 278822), (59732, 262195), (74665, 209756), (89380, 175223), (104878, 149330), (112340, 139411)]