1990903680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{345643}}^1$

素因数の和:345668

約数の個数: 96

約数和(自身を含む): 6874859160

約数和(自身を除く): 4883955480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 345643, 691286, 1036929, 1382572, 1728215, 2073858, 2765144, 3110787, 3456430, 4147716, 5184645, 5530288, 6221574, 6912860, 8295432, 10369290, 11060576, 12443148, 13825720, 15553935, 16590864, 20738580, 22121152, 24886296, 27651440, 31107870, 33181728, 41477160, 44242304, 49772592, 55302880, 62215740, 66363456, 82954320, 99545184, 110605760, 124431480, 132726912, 165908640, 199090368, 221211520, 248862960, 331817280, 398180736, 497725920, 663634560, 995451840, 1990903680]

約数ペア:

[(1, 1990903680), (2, 995451840), (3, 663634560), (4, 497725920), (5, 398180736), (6, 331817280), (8, 248862960), (9, 221211520), (10, 199090368), (12, 165908640), (15, 132726912), (16, 124431480), (18, 110605760), (20, 99545184), (24, 82954320), (30, 66363456), (32, 62215740), (36, 55302880), (40, 49772592), (45, 44242304), (48, 41477160), (60, 33181728), (64, 31107870), (72, 27651440), (80, 24886296), (90, 22121152), (96, 20738580), (120, 16590864), (128, 15553935), (144, 13825720), (160, 12443148), (180, 11060576), (192, 10369290), (240, 8295432), (288, 6912860), (320, 6221574), (360, 5530288), (384, 5184645), (480, 4147716), (576, 3456430), (640, 3110787), (720, 2765144), (960, 2073858), (1152, 1728215), (1440, 1382572), (1920, 1036929), (2880, 691286), (5760, 345643)]