18278640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 120

約数和(自身を含む): 62674560

約数和(自身を除く): 44395920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 479, 530, 636, 720, 795, 848, 954, 958, 1060, 1272, 1437, 1590, 1908, 1916, 2120, 2385, 2395, 2544, 2874, 3180, 3816, 3832, 4240, 4311, 4770, 4790, 5748, 6360, 7185, 7632, 7664, 8622, 9540, 9580, 11496, 12720, 14370, 17244, 19080, 19160, 21555, 22992, 25387, 28740, 34488, 38160, 38320, 43110, 50774, 57480, 68976, 76161, 86220, 101548, 114960, 126935, 152322, 172440, 203096, 228483, 253870, 304644, 344880, 380805, 406192, 456966, 507740, 609288, 761610, 913932, 1015480, 1142415, 1218576, 1523220, 1827864, 2030960, 2284830, 3046440, 3655728, 4569660, 6092880, 9139320, 18278640]

約数ペア:

[(1, 18278640), (2, 9139320), (3, 6092880), (4, 4569660), (5, 3655728), (6, 3046440), (8, 2284830), (9, 2030960), (10, 1827864), (12, 1523220), (15, 1218576), (16, 1142415), (18, 1015480), (20, 913932), (24, 761610), (30, 609288), (36, 507740), (40, 456966), (45, 406192), (48, 380805), (53, 344880), (60, 304644), (72, 253870), (80, 228483), (90, 203096), (106, 172440), (120, 152322), (144, 126935), (159, 114960), (180, 101548), (212, 86220), (240, 76161), (265, 68976), (318, 57480), (360, 50774), (424, 43110), (477, 38320), (479, 38160), (530, 34488), (636, 28740), (720, 25387), (795, 22992), (848, 21555), (954, 19160), (958, 19080), (1060, 17244), (1272, 14370), (1437, 12720), (1590, 11496), (1908, 9580), (1916, 9540), (2120, 8622), (2385, 7664), (2395, 7632), (2544, 7185), (2874, 6360), (3180, 5748), (3816, 4790), (3832, 4770), (4240, 4311)]