84538720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 144

約数和(自身を含む): 238902048

約数和(自身を除く): 154363328

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, 263, 280, 287, 328, 392, 410, 490, 526, 560, 574, 656, 784, 820, 980, 1052, 1120, 1148, 1312, 1315, 1435, 1568, 1640, 1841, 1960, 2009, 2104, 2296, 2630, 2870, 3280, 3682, 3920, 4018, 4208, 4592, 5260, 5740, 6560, 7364, 7840, 8036, 8416, 9184, 9205, 10045, 10520, 10783, 11480, 12887, 14728, 16072, 18410, 20090, 21040, 21566, 22960, 25774, 29456, 32144, 36820, 40180, 42080, 43132, 45920, 51548, 53915, 58912, 64288, 64435, 73640, 75481, 80360, 86264, 103096, 107830, 128870, 147280, 150962, 160720, 172528, 206192, 215660, 257740, 294560, 301924, 321440, 345056, 377405, 412384, 431320, 515480, 528367, 603848, 754810, 862640, 1030960, 1056734, 1207696, 1509620, 1725280, 2061920, 2113468, 2415392, 2641835, 3019240, 4226936, 5283670, 6038480, 8453872, 10567340, 12076960, 16907744, 21134680, 42269360, 84538720]

約数ペア:

[(1, 84538720), (2, 42269360), (4, 21134680), (5, 16907744), (7, 12076960), (8, 10567340), (10, 8453872), (14, 6038480), (16, 5283670), (20, 4226936), (28, 3019240), (32, 2641835), (35, 2415392), (40, 2113468), (41, 2061920), (49, 1725280), (56, 1509620), (70, 1207696), (80, 1056734), (82, 1030960), (98, 862640), (112, 754810), (140, 603848), (160, 528367), (164, 515480), (196, 431320), (205, 412384), (224, 377405), (245, 345056), (263, 321440), (280, 301924), (287, 294560), (328, 257740), (392, 215660), (410, 206192), (490, 172528), (526, 160720), (560, 150962), (574, 147280), (656, 128870), (784, 107830), (820, 103096), (980, 86264), (1052, 80360), (1120, 75481), (1148, 73640), (1312, 64435), (1315, 64288), (1435, 58912), (1568, 53915), (1640, 51548), (1841, 45920), (1960, 43132), (2009, 42080), (2104, 40180), (2296, 36820), (2630, 32144), (2870, 29456), (3280, 25774), (3682, 22960), (3920, 21566), (4018, 21040), (4208, 20090), (4592, 18410), (5260, 16072), (5740, 14728), (6560, 12887), (7364, 11480), (7840, 10783), (8036, 10520), (8416, 10045), (9184, 9205)]