1387845720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{3855127}}^1$

素因数の和:3855144

約数の個数: 48

約数和(自身を含む): 4510499760

約数和(自身を除く): 3122654040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 3855127, 7710254, 11565381, 15420508, 19275635, 23130762, 30841016, 34696143, 38551270, 46261524, 57826905, 69392286, 77102540, 92523048, 115653810, 138784572, 154205080, 173480715, 231307620, 277569144, 346961430, 462615240, 693922860, 1387845720]

約数ペア:

[(1, 1387845720), (2, 693922860), (3, 462615240), (4, 346961430), (5, 277569144), (6, 231307620), (8, 173480715), (9, 154205080), (10, 138784572), (12, 115653810), (15, 92523048), (18, 77102540), (20, 69392286), (24, 57826905), (30, 46261524), (36, 38551270), (40, 34696143), (45, 30841016), (60, 23130762), (72, 19275635), (90, 15420508), (120, 11565381), (180, 7710254), (360, 3855127)]