28116240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 87756288

約数和(自身を除く): 59640048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 579, 607, 772, 965, 1158, 1214, 1544, 1821, 1930, 2316, 2428, 2895, 3035, 3088, 3642, 3860, 4632, 4856, 5790, 6070, 7284, 7720, 9105, 9264, 9712, 11580, 12140, 14568, 15440, 18210, 23160, 24280, 29136, 36420, 46320, 48560, 72840, 117151, 145680, 234302, 351453, 468604, 585755, 702906, 937208, 1171510, 1405812, 1757265, 1874416, 2343020, 2811624, 3514530, 4686040, 5623248, 7029060, 9372080, 14058120, 28116240]

約数ペア:

[(1, 28116240), (2, 14058120), (3, 9372080), (4, 7029060), (5, 5623248), (6, 4686040), (8, 3514530), (10, 2811624), (12, 2343020), (15, 1874416), (16, 1757265), (20, 1405812), (24, 1171510), (30, 937208), (40, 702906), (48, 585755), (60, 468604), (80, 351453), (120, 234302), (193, 145680), (240, 117151), (386, 72840), (579, 48560), (607, 46320), (772, 36420), (965, 29136), (1158, 24280), (1214, 23160), (1544, 18210), (1821, 15440), (1930, 14568), (2316, 12140), (2428, 11580), (2895, 9712), (3035, 9264), (3088, 9105), (3642, 7720), (3860, 7284), (4632, 6070), (4856, 5790)]