620700640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1931}}^1$

素因数の和:2001

約数の個数: 144

約数和(自身を含む): 1748328624

約数和(自身を除く): 1127627984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 784, 820, 980, 1120, 1148, 1312, 1435, 1568, 1640, 1931, 1960, 2009, 2296, 2870, 3280, 3862, 3920, 4018, 4592, 5740, 6560, 7724, 7840, 8036, 9184, 9655, 10045, 11480, 13517, 15448, 16072, 19310, 20090, 22960, 27034, 30896, 32144, 38620, 40180, 45920, 54068, 61792, 64288, 67585, 77240, 79171, 80360, 94619, 108136, 135170, 154480, 158342, 160720, 189238, 216272, 270340, 308960, 316684, 321440, 378476, 395855, 432544, 473095, 540680, 554197, 633368, 756952, 791710, 946190, 1081360, 1108394, 1266736, 1513904, 1583420, 1892380, 2162720, 2216788, 2533472, 2770985, 3027808, 3166840, 3784760, 3879379, 4433576, 5541970, 6333680, 7569520, 7758758, 8867152, 11083940, 12667360, 15139040, 15517516, 17734304, 19396895, 22167880, 31035032, 38793790, 44335760, 62070064, 77587580, 88671520, 124140128, 155175160, 310350320, 620700640]

約数ペア:

[(1, 620700640), (2, 310350320), (4, 155175160), (5, 124140128), (7, 88671520), (8, 77587580), (10, 62070064), (14, 44335760), (16, 38793790), (20, 31035032), (28, 22167880), (32, 19396895), (35, 17734304), (40, 15517516), (41, 15139040), (49, 12667360), (56, 11083940), (70, 8867152), (80, 7758758), (82, 7569520), (98, 6333680), (112, 5541970), (140, 4433576), (160, 3879379), (164, 3784760), (196, 3166840), (205, 3027808), (224, 2770985), (245, 2533472), (280, 2216788), (287, 2162720), (328, 1892380), (392, 1583420), (410, 1513904), (490, 1266736), (560, 1108394), (574, 1081360), (656, 946190), (784, 791710), (820, 756952), (980, 633368), (1120, 554197), (1148, 540680), (1312, 473095), (1435, 432544), (1568, 395855), (1640, 378476), (1931, 321440), (1960, 316684), (2009, 308960), (2296, 270340), (2870, 216272), (3280, 189238), (3862, 160720), (3920, 158342), (4018, 154480), (4592, 135170), (5740, 108136), (6560, 94619), (7724, 80360), (7840, 79171), (8036, 77240), (9184, 67585), (9655, 64288), (10045, 61792), (11480, 54068), (13517, 45920), (15448, 40180), (16072, 38620), (19310, 32144), (20090, 30896), (22960, 27034)]