18455280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 57746304

約数和(自身を除く): 39291024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 587, 655, 786, 1048, 1174, 1310, 1572, 1761, 1965, 2096, 2348, 2620, 2935, 3144, 3522, 3930, 4696, 5240, 5870, 6288, 7044, 7860, 8805, 9392, 10480, 11740, 14088, 15720, 17610, 23480, 28176, 31440, 35220, 46960, 70440, 76897, 140880, 153794, 230691, 307588, 384485, 461382, 615176, 768970, 922764, 1153455, 1230352, 1537940, 1845528, 2306910, 3075880, 3691056, 4613820, 6151760, 9227640, 18455280]

約数ペア:

[(1, 18455280), (2, 9227640), (3, 6151760), (4, 4613820), (5, 3691056), (6, 3075880), (8, 2306910), (10, 1845528), (12, 1537940), (15, 1230352), (16, 1153455), (20, 922764), (24, 768970), (30, 615176), (40, 461382), (48, 384485), (60, 307588), (80, 230691), (120, 153794), (131, 140880), (240, 76897), (262, 70440), (393, 46960), (524, 35220), (587, 31440), (655, 28176), (786, 23480), (1048, 17610), (1174, 15720), (1310, 14088), (1572, 11740), (1761, 10480), (1965, 9392), (2096, 8805), (2348, 7860), (2620, 7044), (2935, 6288), (3144, 5870), (3522, 5240), (3930, 4696)]