64478100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1091}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 187675488

約数和(自身を除く): 123197388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 197, 300, 394, 591, 788, 985, 1091, 1182, 1970, 2182, 2364, 2955, 3273, 3940, 4364, 4925, 5455, 5910, 6546, 9850, 10910, 11820, 13092, 14775, 16365, 19700, 21820, 27275, 29550, 32730, 54550, 59100, 65460, 81825, 109100, 163650, 214927, 327300, 429854, 644781, 859708, 1074635, 1289562, 2149270, 2579124, 3223905, 4298540, 5373175, 6447810, 10746350, 12895620, 16119525, 21492700, 32239050, 64478100]

約数ペア:

[(1, 64478100), (2, 32239050), (3, 21492700), (4, 16119525), (5, 12895620), (6, 10746350), (10, 6447810), (12, 5373175), (15, 4298540), (20, 3223905), (25, 2579124), (30, 2149270), (50, 1289562), (60, 1074635), (75, 859708), (100, 644781), (150, 429854), (197, 327300), (300, 214927), (394, 163650), (591, 109100), (788, 81825), (985, 65460), (1091, 59100), (1182, 54550), (1970, 32730), (2182, 29550), (2364, 27275), (2955, 21820), (3273, 19700), (3940, 16365), (4364, 14775), (4925, 13092), (5455, 11820), (5910, 10910), (6546, 9850)]