18475920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 63138816

約数和(自身を除く): 44662896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 383, 402, 536, 603, 670, 720, 766, 804, 1005, 1072, 1149, 1206, 1340, 1532, 1608, 1915, 2010, 2298, 2412, 2680, 3015, 3064, 3216, 3447, 3830, 4020, 4596, 4824, 5360, 5745, 6030, 6128, 6894, 7660, 8040, 9192, 9648, 11490, 12060, 13788, 15320, 16080, 17235, 18384, 22980, 24120, 25661, 27576, 30640, 34470, 45960, 48240, 51322, 55152, 68940, 76983, 91920, 102644, 128305, 137880, 153966, 205288, 230949, 256610, 275760, 307932, 384915, 410576, 461898, 513220, 615864, 769830, 923796, 1026440, 1154745, 1231728, 1539660, 1847592, 2052880, 2309490, 3079320, 3695184, 4618980, 6158640, 9237960, 18475920]

約数ペア:

[(1, 18475920), (2, 9237960), (3, 6158640), (4, 4618980), (5, 3695184), (6, 3079320), (8, 2309490), (9, 2052880), (10, 1847592), (12, 1539660), (15, 1231728), (16, 1154745), (18, 1026440), (20, 923796), (24, 769830), (30, 615864), (36, 513220), (40, 461898), (45, 410576), (48, 384915), (60, 307932), (67, 275760), (72, 256610), (80, 230949), (90, 205288), (120, 153966), (134, 137880), (144, 128305), (180, 102644), (201, 91920), (240, 76983), (268, 68940), (335, 55152), (360, 51322), (383, 48240), (402, 45960), (536, 34470), (603, 30640), (670, 27576), (720, 25661), (766, 24120), (804, 22980), (1005, 18384), (1072, 17235), (1149, 16080), (1206, 15320), (1340, 13788), (1532, 12060), (1608, 11490), (1915, 9648), (2010, 9192), (2298, 8040), (2412, 7660), (2680, 6894), (3015, 6128), (3064, 6030), (3216, 5745), (3447, 5360), (3830, 4824), (4020, 4596)]