2251480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 6842880

約数和(自身を除く): 4591400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 43, 44, 55, 56, 68, 70, 77, 85, 86, 88, 110, 119, 136, 140, 154, 170, 172, 187, 215, 220, 238, 280, 301, 308, 340, 344, 374, 385, 430, 440, 473, 476, 595, 602, 616, 680, 731, 748, 770, 860, 935, 946, 952, 1190, 1204, 1309, 1462, 1496, 1505, 1540, 1720, 1870, 1892, 2365, 2380, 2408, 2618, 2924, 3010, 3080, 3311, 3655, 3740, 3784, 4730, 4760, 5117, 5236, 5848, 6020, 6545, 6622, 7310, 7480, 8041, 9460, 10234, 10472, 12040, 13090, 13244, 14620, 16082, 16555, 18920, 20468, 25585, 26180, 26488, 29240, 32164, 33110, 40205, 40936, 51170, 52360, 56287, 64328, 66220, 80410, 102340, 112574, 132440, 160820, 204680, 225148, 281435, 321640, 450296, 562870, 1125740, 2251480]

約数ペア:

[(1, 2251480), (2, 1125740), (4, 562870), (5, 450296), (7, 321640), (8, 281435), (10, 225148), (11, 204680), (14, 160820), (17, 132440), (20, 112574), (22, 102340), (28, 80410), (34, 66220), (35, 64328), (40, 56287), (43, 52360), (44, 51170), (55, 40936), (56, 40205), (68, 33110), (70, 32164), (77, 29240), (85, 26488), (86, 26180), (88, 25585), (110, 20468), (119, 18920), (136, 16555), (140, 16082), (154, 14620), (170, 13244), (172, 13090), (187, 12040), (215, 10472), (220, 10234), (238, 9460), (280, 8041), (301, 7480), (308, 7310), (340, 6622), (344, 6545), (374, 6020), (385, 5848), (430, 5236), (440, 5117), (473, 4760), (476, 4730), (595, 3784), (602, 3740), (616, 3655), (680, 3311), (731, 3080), (748, 3010), (770, 2924), (860, 2618), (935, 2408), (946, 2380), (952, 2365), (1190, 1892), (1204, 1870), (1309, 1720), (1462, 1540), (1496, 1505)]