8457240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 28512000

約数和(自身を除く): 20054760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 149, 165, 172, 215, 220, 258, 264, 298, 330, 344, 430, 440, 447, 473, 516, 596, 645, 660, 745, 860, 894, 946, 1032, 1192, 1290, 1320, 1419, 1490, 1639, 1720, 1788, 1892, 2235, 2365, 2580, 2838, 2980, 3278, 3576, 3784, 4470, 4730, 4917, 5160, 5676, 5960, 6407, 6556, 7095, 8195, 8940, 9460, 9834, 11352, 12814, 13112, 14190, 16390, 17880, 18920, 19221, 19668, 24585, 25628, 28380, 32035, 32780, 38442, 39336, 49170, 51256, 56760, 64070, 65560, 70477, 76884, 96105, 98340, 128140, 140954, 153768, 192210, 196680, 211431, 256280, 281908, 352385, 384420, 422862, 563816, 704770, 768840, 845724, 1057155, 1409540, 1691448, 2114310, 2819080, 4228620, 8457240]

約数ペア:

[(1, 8457240), (2, 4228620), (3, 2819080), (4, 2114310), (5, 1691448), (6, 1409540), (8, 1057155), (10, 845724), (11, 768840), (12, 704770), (15, 563816), (20, 422862), (22, 384420), (24, 352385), (30, 281908), (33, 256280), (40, 211431), (43, 196680), (44, 192210), (55, 153768), (60, 140954), (66, 128140), (86, 98340), (88, 96105), (110, 76884), (120, 70477), (129, 65560), (132, 64070), (149, 56760), (165, 51256), (172, 49170), (215, 39336), (220, 38442), (258, 32780), (264, 32035), (298, 28380), (330, 25628), (344, 24585), (430, 19668), (440, 19221), (447, 18920), (473, 17880), (516, 16390), (596, 14190), (645, 13112), (660, 12814), (745, 11352), (860, 9834), (894, 9460), (946, 8940), (1032, 8195), (1192, 7095), (1290, 6556), (1320, 6407), (1419, 5960), (1490, 5676), (1639, 5160), (1720, 4917), (1788, 4730), (1892, 4470), (2235, 3784), (2365, 3576), (2580, 3278), (2838, 2980)]