20931429120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{778699}}^1$

素因数の和:778730

約数の個数: 144

約数和(自身を含む): 76399814400

約数和(自身を除く): 55468385280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 778699, 1557398, 2336097, 3114796, 3893495, 4672194, 5450893, 6229592, 7786990, 9344388, 10901786, 11680485, 12459184, 15573980, 16352679, 18688776, 21803572, 23360970, 24918368, 27254465, 31147960, 32705358, 37377552, 43607144, 46721940, 49836736, 54508930, 62295920, 65410716, 74755104, 81763395, 87214288, 93443880, 99673472, 109017860, 124591840, 130821432, 149510208, 163526790, 174428576, 186887760, 199346944, 218035720, 249183680, 261642864, 299020416, 327053580, 348857152, 373775520, 436071440, 498367360, 523285728, 598040832, 654107160, 697714304, 747551040, 872142880, 996734720, 1046571456, 1308214320, 1395428608, 1495102080, 1744285760, 2093142912, 2616428640, 2990204160, 3488571520, 4186285824, 5232857280, 6977143040, 10465714560, 20931429120]

約数ペア:

[(1, 20931429120), (2, 10465714560), (3, 6977143040), (4, 5232857280), (5, 4186285824), (6, 3488571520), (7, 2990204160), (8, 2616428640), (10, 2093142912), (12, 1744285760), (14, 1495102080), (15, 1395428608), (16, 1308214320), (20, 1046571456), (21, 996734720), (24, 872142880), (28, 747551040), (30, 697714304), (32, 654107160), (35, 598040832), (40, 523285728), (42, 498367360), (48, 436071440), (56, 373775520), (60, 348857152), (64, 327053580), (70, 299020416), (80, 261642864), (84, 249183680), (96, 218035720), (105, 199346944), (112, 186887760), (120, 174428576), (128, 163526790), (140, 149510208), (160, 130821432), (168, 124591840), (192, 109017860), (210, 99673472), (224, 93443880), (240, 87214288), (256, 81763395), (280, 74755104), (320, 65410716), (336, 62295920), (384, 54508930), (420, 49836736), (448, 46721940), (480, 43607144), (560, 37377552), (640, 32705358), (672, 31147960), (768, 27254465), (840, 24918368), (896, 23360970), (960, 21803572), (1120, 18688776), (1280, 16352679), (1344, 15573980), (1680, 12459184), (1792, 11680485), (1920, 10901786), (2240, 9344388), (2688, 7786990), (3360, 6229592), (3840, 5450893), (4480, 4672194), (5376, 3893495), (6720, 3114796), (8960, 2336097), (13440, 1557398), (26880, 778699)]