201321680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7649}}^1$

素因数の和:7716

約数の個数: 80

約数和(自身を含む): 546393600

約数和(自身を除く): 345071920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 7649, 13160, 15298, 26320, 30596, 38245, 53543, 61192, 76490, 107086, 122384, 152980, 214172, 267715, 305960, 359503, 428344, 535430, 611920, 719006, 856688, 1070860, 1438012, 1797515, 2141720, 2516521, 2876024, 3595030, 4283440, 5033042, 5752048, 7190060, 10066084, 12582605, 14380120, 20132168, 25165210, 28760240, 40264336, 50330420, 100660840, 201321680]

約数ペア:

[(1, 201321680), (2, 100660840), (4, 50330420), (5, 40264336), (7, 28760240), (8, 25165210), (10, 20132168), (14, 14380120), (16, 12582605), (20, 10066084), (28, 7190060), (35, 5752048), (40, 5033042), (47, 4283440), (56, 3595030), (70, 2876024), (80, 2516521), (94, 2141720), (112, 1797515), (140, 1438012), (188, 1070860), (235, 856688), (280, 719006), (329, 611920), (376, 535430), (470, 428344), (560, 359503), (658, 305960), (752, 267715), (940, 214172), (1316, 152980), (1645, 122384), (1880, 107086), (2632, 76490), (3290, 61192), (3760, 53543), (5264, 38245), (6580, 30596), (7649, 26320), (13160, 15298)]