261133320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1061}}^1$

素因数の和:1375

約数の個数: 128

約数和(自身を含む): 899216640

約数和(自身を除く): 638083320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 293, 420, 586, 840, 879, 1061, 1172, 1465, 1758, 2051, 2122, 2344, 2930, 3183, 3516, 4102, 4244, 4395, 5305, 5860, 6153, 6366, 7032, 7427, 8204, 8488, 8790, 10255, 10610, 11720, 12306, 12732, 14854, 15915, 16408, 17580, 20510, 21220, 22281, 24612, 25464, 29708, 30765, 31830, 35160, 37135, 41020, 42440, 44562, 49224, 59416, 61530, 63660, 74270, 82040, 89124, 111405, 123060, 127320, 148540, 178248, 222810, 246120, 297080, 310873, 445620, 621746, 891240, 932619, 1243492, 1554365, 1865238, 2176111, 2486984, 3108730, 3730476, 4352222, 4663095, 6217460, 6528333, 7460952, 8704444, 9326190, 10880555, 12434920, 13056666, 17408888, 18652380, 21761110, 26113332, 32641665, 37304760, 43522220, 52226664, 65283330, 87044440, 130566660, 261133320]

約数ペア:

[(1, 261133320), (2, 130566660), (3, 87044440), (4, 65283330), (5, 52226664), (6, 43522220), (7, 37304760), (8, 32641665), (10, 26113332), (12, 21761110), (14, 18652380), (15, 17408888), (20, 13056666), (21, 12434920), (24, 10880555), (28, 9326190), (30, 8704444), (35, 7460952), (40, 6528333), (42, 6217460), (56, 4663095), (60, 4352222), (70, 3730476), (84, 3108730), (105, 2486984), (120, 2176111), (140, 1865238), (168, 1554365), (210, 1243492), (280, 932619), (293, 891240), (420, 621746), (586, 445620), (840, 310873), (879, 297080), (1061, 246120), (1172, 222810), (1465, 178248), (1758, 148540), (2051, 127320), (2122, 123060), (2344, 111405), (2930, 89124), (3183, 82040), (3516, 74270), (4102, 63660), (4244, 61530), (4395, 59416), (5305, 49224), (5860, 44562), (6153, 42440), (6366, 41020), (7032, 37135), (7427, 35160), (8204, 31830), (8488, 30765), (8790, 29708), (10255, 25464), (10610, 24612), (11720, 22281), (12306, 21220), (12732, 20510), (14854, 17580), (15915, 16408)]