272945680

素因数分解:

$2^4\times 5^1\times 7^6\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 140

約数和(自身を含む): 765894060

約数和(自身を除く): 492948380

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 343, 392, 406, 464, 490, 560, 580, 686, 784, 812, 980, 1015, 1160, 1372, 1421, 1624, 1715, 1960, 2030, 2320, 2401, 2744, 2842, 3248, 3430, 3920, 4060, 4802, 5488, 5684, 6860, 7105, 8120, 9604, 9947, 11368, 12005, 13720, 14210, 16240, 16807, 19208, 19894, 22736, 24010, 27440, 28420, 33614, 38416, 39788, 48020, 49735, 56840, 67228, 69629, 79576, 84035, 96040, 99470, 113680, 117649, 134456, 139258, 159152, 168070, 192080, 198940, 235298, 268912, 278516, 336140, 348145, 397880, 470596, 487403, 557032, 588245, 672280, 696290, 795760, 941192, 974806, 1114064, 1176490, 1344560, 1392580, 1882384, 1949612, 2352980, 2437015, 2785160, 3411821, 3899224, 4705960, 4874030, 5570320, 6823642, 7798448, 9411920, 9748060, 13647284, 17059105, 19496120, 27294568, 34118210, 38992240, 54589136, 68236420, 136472840, 272945680]

約数ペア:

[(1, 272945680), (2, 136472840), (4, 68236420), (5, 54589136), (7, 38992240), (8, 34118210), (10, 27294568), (14, 19496120), (16, 17059105), (20, 13647284), (28, 9748060), (29, 9411920), (35, 7798448), (40, 6823642), (49, 5570320), (56, 4874030), (58, 4705960), (70, 3899224), (80, 3411821), (98, 2785160), (112, 2437015), (116, 2352980), (140, 1949612), (145, 1882384), (196, 1392580), (203, 1344560), (232, 1176490), (245, 1114064), (280, 974806), (290, 941192), (343, 795760), (392, 696290), (406, 672280), (464, 588245), (490, 557032), (560, 487403), (580, 470596), (686, 397880), (784, 348145), (812, 336140), (980, 278516), (1015, 268912), (1160, 235298), (1372, 198940), (1421, 192080), (1624, 168070), (1715, 159152), (1960, 139258), (2030, 134456), (2320, 117649), (2401, 113680), (2744, 99470), (2842, 96040), (3248, 84035), (3430, 79576), (3920, 69629), (4060, 67228), (4802, 56840), (5488, 49735), (5684, 48020), (6860, 39788), (7105, 38416), (8120, 33614), (9604, 28420), (9947, 27440), (11368, 24010), (12005, 22736), (13720, 19894), (14210, 19208), (16240, 16807)]