1330785520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{919}}^1$

素因数の和:1742

約数の個数: 80

約数和(自身を含む): 3236221440

約数和(自身を除く): 1905435920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 787, 919, 920, 1574, 1838, 1840, 3148, 3676, 3935, 4595, 6296, 7352, 7870, 9190, 12592, 14704, 15740, 18101, 18380, 21137, 31480, 36202, 36760, 42274, 62960, 72404, 73520, 84548, 90505, 105685, 144808, 169096, 181010, 211370, 289616, 338192, 362020, 422740, 723253, 724040, 845480, 1446506, 1448080, 1690960, 2893012, 3616265, 5786024, 7232530, 11572048, 14465060, 16634819, 28930120, 33269638, 57860240, 66539276, 83174095, 133078552, 166348190, 266157104, 332696380, 665392760, 1330785520]

約数ペア:

[(1, 1330785520), (2, 665392760), (4, 332696380), (5, 266157104), (8, 166348190), (10, 133078552), (16, 83174095), (20, 66539276), (23, 57860240), (40, 33269638), (46, 28930120), (80, 16634819), (92, 14465060), (115, 11572048), (184, 7232530), (230, 5786024), (368, 3616265), (460, 2893012), (787, 1690960), (919, 1448080), (920, 1446506), (1574, 845480), (1838, 724040), (1840, 723253), (3148, 422740), (3676, 362020), (3935, 338192), (4595, 289616), (6296, 211370), (7352, 181010), (7870, 169096), (9190, 144808), (12592, 105685), (14704, 90505), (15740, 84548), (18101, 73520), (18380, 72404), (21137, 62960), (31480, 42274), (36202, 36760)]