51815120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1381}}^1$

素因数の和:1468

約数の個数: 80

約数和(自身を含む): 139836288

約数和(自身を除く): 88021168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1381, 1876, 2345, 2680, 2762, 3752, 4690, 5360, 5524, 6905, 7504, 9380, 9667, 11048, 13810, 18760, 19334, 22096, 27620, 37520, 38668, 48335, 55240, 77336, 92527, 96670, 110480, 154672, 185054, 193340, 370108, 386680, 462635, 647689, 740216, 773360, 925270, 1295378, 1480432, 1850540, 2590756, 3238445, 3701080, 5181512, 6476890, 7402160, 10363024, 12953780, 25907560, 51815120]

約数ペア:

[(1, 51815120), (2, 25907560), (4, 12953780), (5, 10363024), (7, 7402160), (8, 6476890), (10, 5181512), (14, 3701080), (16, 3238445), (20, 2590756), (28, 1850540), (35, 1480432), (40, 1295378), (56, 925270), (67, 773360), (70, 740216), (80, 647689), (112, 462635), (134, 386680), (140, 370108), (268, 193340), (280, 185054), (335, 154672), (469, 110480), (536, 96670), (560, 92527), (670, 77336), (938, 55240), (1072, 48335), (1340, 38668), (1381, 37520), (1876, 27620), (2345, 22096), (2680, 19334), (2762, 18760), (3752, 13810), (4690, 11048), (5360, 9667), (5524, 9380), (6905, 7504)]