2865520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 8396784

約数和(自身を除く): 5531264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 43, 49, 56, 68, 70, 80, 85, 86, 98, 112, 119, 136, 140, 170, 172, 196, 215, 238, 245, 272, 280, 301, 340, 344, 392, 430, 476, 490, 560, 595, 602, 680, 688, 731, 784, 833, 860, 952, 980, 1190, 1204, 1360, 1462, 1505, 1666, 1720, 1904, 1960, 2107, 2380, 2408, 2924, 3010, 3332, 3440, 3655, 3920, 4165, 4214, 4760, 4816, 5117, 5848, 6020, 6664, 7310, 8330, 8428, 9520, 10234, 10535, 11696, 12040, 13328, 14620, 16660, 16856, 20468, 21070, 24080, 25585, 29240, 33320, 33712, 35819, 40936, 42140, 51170, 58480, 66640, 71638, 81872, 84280, 102340, 143276, 168560, 179095, 204680, 286552, 358190, 409360, 573104, 716380, 1432760, 2865520]

約数ペア:

[(1, 2865520), (2, 1432760), (4, 716380), (5, 573104), (7, 409360), (8, 358190), (10, 286552), (14, 204680), (16, 179095), (17, 168560), (20, 143276), (28, 102340), (34, 84280), (35, 81872), (40, 71638), (43, 66640), (49, 58480), (56, 51170), (68, 42140), (70, 40936), (80, 35819), (85, 33712), (86, 33320), (98, 29240), (112, 25585), (119, 24080), (136, 21070), (140, 20468), (170, 16856), (172, 16660), (196, 14620), (215, 13328), (238, 12040), (245, 11696), (272, 10535), (280, 10234), (301, 9520), (340, 8428), (344, 8330), (392, 7310), (430, 6664), (476, 6020), (490, 5848), (560, 5117), (595, 4816), (602, 4760), (680, 4214), (688, 4165), (731, 3920), (784, 3655), (833, 3440), (860, 3332), (952, 3010), (980, 2924), (1190, 2408), (1204, 2380), (1360, 2107), (1462, 1960), (1505, 1904), (1666, 1720)]