1323841520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271279}}^1$

素因数の和:271353

約数の個数: 40

約数和(自身を含む): 3128400960

約数和(自身を除く): 1804559440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 271279, 542558, 1085116, 1356395, 2170232, 2712790, 4340464, 5425580, 10851160, 16548019, 21702320, 33096038, 66192076, 82740095, 132384152, 165480190, 264768304, 330960380, 661920760, 1323841520]

約数ペア:

[(1, 1323841520), (2, 661920760), (4, 330960380), (5, 264768304), (8, 165480190), (10, 132384152), (16, 82740095), (20, 66192076), (40, 33096038), (61, 21702320), (80, 16548019), (122, 10851160), (244, 5425580), (305, 4340464), (488, 2712790), (610, 2170232), (976, 1356395), (1220, 1085116), (2440, 542558), (4880, 271279)]