179648720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 435829248

約数和(自身を除く): 256180528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 107, 124, 155, 214, 248, 310, 428, 496, 535, 620, 677, 856, 1070, 1240, 1354, 1712, 2140, 2480, 2708, 3317, 3385, 4280, 5416, 6634, 6770, 8560, 10832, 13268, 13540, 16585, 20987, 26536, 27080, 33170, 41974, 53072, 54160, 66340, 72439, 83948, 104935, 132680, 144878, 167896, 209870, 265360, 289756, 335792, 362195, 419740, 579512, 724390, 839480, 1159024, 1448780, 1678960, 2245609, 2897560, 4491218, 5795120, 8982436, 11228045, 17964872, 22456090, 35929744, 44912180, 89824360, 179648720]

約数ペア:

[(1, 179648720), (2, 89824360), (4, 44912180), (5, 35929744), (8, 22456090), (10, 17964872), (16, 11228045), (20, 8982436), (31, 5795120), (40, 4491218), (62, 2897560), (80, 2245609), (107, 1678960), (124, 1448780), (155, 1159024), (214, 839480), (248, 724390), (310, 579512), (428, 419740), (496, 362195), (535, 335792), (620, 289756), (677, 265360), (856, 209870), (1070, 167896), (1240, 144878), (1354, 132680), (1712, 104935), (2140, 83948), (2480, 72439), (2708, 66340), (3317, 54160), (3385, 53072), (4280, 41974), (5416, 33170), (6634, 27080), (6770, 26536), (8560, 20987), (10832, 16585), (13268, 13540)]