66578120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 184757760

約数和(自身を除く): 118179640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 85, 119, 136, 140, 142, 170, 197, 238, 280, 284, 340, 355, 394, 476, 497, 568, 595, 680, 710, 788, 952, 985, 994, 1190, 1207, 1379, 1420, 1576, 1970, 1988, 2380, 2414, 2485, 2758, 2840, 3349, 3940, 3976, 4760, 4828, 4970, 5516, 6035, 6698, 6895, 7880, 8449, 9656, 9940, 11032, 12070, 13396, 13790, 13987, 16745, 16898, 19880, 23443, 24140, 26792, 27580, 27974, 33490, 33796, 42245, 46886, 48280, 55160, 55948, 66980, 67592, 69935, 84490, 93772, 97909, 111896, 117215, 133960, 139870, 168980, 187544, 195818, 234430, 237779, 279740, 337960, 391636, 468860, 475558, 489545, 559480, 783272, 937720, 951116, 979090, 1188895, 1664453, 1902232, 1958180, 2377790, 3328906, 3916360, 4755580, 6657812, 8322265, 9511160, 13315624, 16644530, 33289060, 66578120]

約数ペア:

[(1, 66578120), (2, 33289060), (4, 16644530), (5, 13315624), (7, 9511160), (8, 8322265), (10, 6657812), (14, 4755580), (17, 3916360), (20, 3328906), (28, 2377790), (34, 1958180), (35, 1902232), (40, 1664453), (56, 1188895), (68, 979090), (70, 951116), (71, 937720), (85, 783272), (119, 559480), (136, 489545), (140, 475558), (142, 468860), (170, 391636), (197, 337960), (238, 279740), (280, 237779), (284, 234430), (340, 195818), (355, 187544), (394, 168980), (476, 139870), (497, 133960), (568, 117215), (595, 111896), (680, 97909), (710, 93772), (788, 84490), (952, 69935), (985, 67592), (994, 66980), (1190, 55948), (1207, 55160), (1379, 48280), (1420, 46886), (1576, 42245), (1970, 33796), (1988, 33490), (2380, 27974), (2414, 27580), (2485, 26792), (2758, 24140), (2840, 23443), (3349, 19880), (3940, 16898), (3976, 16745), (4760, 13987), (4828, 13790), (4970, 13396), (5516, 12070), (6035, 11032), (6698, 9940), (6895, 9656), (7880, 8449)]