15801400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 38457360

約数和(自身を除く): 22655960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 47, 50, 82, 94, 100, 164, 188, 200, 205, 235, 328, 376, 410, 470, 820, 940, 1025, 1175, 1640, 1681, 1880, 1927, 2050, 2350, 3362, 3854, 4100, 4700, 6724, 7708, 8200, 8405, 9400, 9635, 13448, 15416, 16810, 19270, 33620, 38540, 42025, 48175, 67240, 77080, 79007, 84050, 96350, 158014, 168100, 192700, 316028, 336200, 385400, 395035, 632056, 790070, 1580140, 1975175, 3160280, 3950350, 7900700, 15801400]

約数ペア:

[(1, 15801400), (2, 7900700), (4, 3950350), (5, 3160280), (8, 1975175), (10, 1580140), (20, 790070), (25, 632056), (40, 395035), (41, 385400), (47, 336200), (50, 316028), (82, 192700), (94, 168100), (100, 158014), (164, 96350), (188, 84050), (200, 79007), (205, 77080), (235, 67240), (328, 48175), (376, 42025), (410, 38540), (470, 33620), (820, 19270), (940, 16810), (1025, 15416), (1175, 13448), (1640, 9635), (1681, 9400), (1880, 8405), (1927, 8200), (2050, 7708), (2350, 6724), (3362, 4700), (3854, 4100)]