320424240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5987}}^1$

素因数の和:6226

約数の個数: 80

約数和(自身を含む): 997936128

約数和(自身を除く): 677511888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 3568, 4460, 5352, 5987, 6690, 8920, 10704, 11974, 13380, 17840, 17961, 23948, 26760, 29935, 35922, 47896, 53520, 59870, 71844, 89805, 95792, 119740, 143688, 179610, 239480, 287376, 359220, 478960, 718440, 1335101, 1436880, 2670202, 4005303, 5340404, 6675505, 8010606, 10680808, 13351010, 16021212, 20026515, 21361616, 26702020, 32042424, 40053030, 53404040, 64084848, 80106060, 106808080, 160212120, 320424240]

約数ペア:

[(1, 320424240), (2, 160212120), (3, 106808080), (4, 80106060), (5, 64084848), (6, 53404040), (8, 40053030), (10, 32042424), (12, 26702020), (15, 21361616), (16, 20026515), (20, 16021212), (24, 13351010), (30, 10680808), (40, 8010606), (48, 6675505), (60, 5340404), (80, 4005303), (120, 2670202), (223, 1436880), (240, 1335101), (446, 718440), (669, 478960), (892, 359220), (1115, 287376), (1338, 239480), (1784, 179610), (2230, 143688), (2676, 119740), (3345, 95792), (3568, 89805), (4460, 71844), (5352, 59870), (5987, 53520), (6690, 47896), (8920, 35922), (10704, 29935), (11974, 26760), (13380, 23948), (17840, 17961)]