257283240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2333}}^1$

素因数の和:3266

約数の個数: 64

約数和(自身を含む): 773020800

約数和(自身を除く): 515737560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 919, 1838, 2333, 2757, 3676, 4595, 4666, 5514, 6999, 7352, 9190, 9332, 11028, 11665, 13785, 13998, 18380, 18664, 22056, 23330, 27570, 27996, 34995, 36760, 46660, 55140, 55992, 69990, 93320, 110280, 139980, 279960, 2144027, 4288054, 6432081, 8576108, 10720135, 12864162, 17152216, 21440270, 25728324, 32160405, 42880540, 51456648, 64320810, 85761080, 128641620, 257283240]

約数ペア:

[(1, 257283240), (2, 128641620), (3, 85761080), (4, 64320810), (5, 51456648), (6, 42880540), (8, 32160405), (10, 25728324), (12, 21440270), (15, 17152216), (20, 12864162), (24, 10720135), (30, 8576108), (40, 6432081), (60, 4288054), (120, 2144027), (919, 279960), (1838, 139980), (2333, 110280), (2757, 93320), (3676, 69990), (4595, 55992), (4666, 55140), (5514, 46660), (6999, 36760), (7352, 34995), (9190, 27996), (9332, 27570), (11028, 23330), (11665, 22056), (13785, 18664), (13998, 18380)]