207971680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:717

約数の個数: 144

約数和(自身を含む): 586395936

約数和(自身を除く): 378424256

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, 647, 656, 784, 820, 980, 1120, 1148, 1294, 1312, 1435, 1568, 1640, 1960, 2009, 2296, 2588, 2870, 3235, 3280, 3920, 4018, 4529, 4592, 5176, 5740, 6470, 6560, 7840, 8036, 9058, 9184, 10045, 10352, 11480, 12940, 16072, 18116, 20090, 20704, 22645, 22960, 25880, 26527, 31703, 32144, 36232, 40180, 45290, 45920, 51760, 53054, 63406, 64288, 72464, 80360, 90580, 103520, 106108, 126812, 132635, 144928, 158515, 160720, 181160, 185689, 212216, 253624, 265270, 317030, 321440, 362320, 371378, 424432, 507248, 530540, 634060, 724640, 742756, 848864, 928445, 1014496, 1061080, 1268120, 1299823, 1485512, 1856890, 2122160, 2536240, 2599646, 2971024, 3713780, 4244320, 5072480, 5199292, 5942048, 6499115, 7427560, 10398584, 12998230, 14855120, 20797168, 25996460, 29710240, 41594336, 51992920, 103985840, 207971680]

約数ペア:

[(1, 207971680), (2, 103985840), (4, 51992920), (5, 41594336), (7, 29710240), (8, 25996460), (10, 20797168), (14, 14855120), (16, 12998230), (20, 10398584), (28, 7427560), (32, 6499115), (35, 5942048), (40, 5199292), (41, 5072480), (49, 4244320), (56, 3713780), (70, 2971024), (80, 2599646), (82, 2536240), (98, 2122160), (112, 1856890), (140, 1485512), (160, 1299823), (164, 1268120), (196, 1061080), (205, 1014496), (224, 928445), (245, 848864), (280, 742756), (287, 724640), (328, 634060), (392, 530540), (410, 507248), (490, 424432), (560, 371378), (574, 362320), (647, 321440), (656, 317030), (784, 265270), (820, 253624), (980, 212216), (1120, 185689), (1148, 181160), (1294, 160720), (1312, 158515), (1435, 144928), (1568, 132635), (1640, 126812), (1960, 106108), (2009, 103520), (2296, 90580), (2588, 80360), (2870, 72464), (3235, 64288), (3280, 63406), (3920, 53054), (4018, 51760), (4529, 45920), (4592, 45290), (5176, 40180), (5740, 36232), (6470, 32144), (6560, 31703), (7840, 26527), (8036, 25880), (9058, 22960), (9184, 22645), (10045, 20704), (10352, 20090), (11480, 18116), (12940, 16072)]