72728000

素因数分解:

$2^6\times 5^3\times {\mathrm{9091}}^1$

素因数の和:9118

約数の個数: 56

約数和(自身を含む): 180130704

約数和(自身を除く): 107402704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 9091, 18182, 36364, 45455, 72728, 90910, 145456, 181820, 227275, 290912, 363640, 454550, 581824, 727280, 909100, 1136375, 1454560, 1818200, 2272750, 2909120, 3636400, 4545500, 7272800, 9091000, 14545600, 18182000, 36364000, 72728000]

約数ペア:

[(1, 72728000), (2, 36364000), (4, 18182000), (5, 14545600), (8, 9091000), (10, 7272800), (16, 4545500), (20, 3636400), (25, 2909120), (32, 2272750), (40, 1818200), (50, 1454560), (64, 1136375), (80, 909100), (100, 727280), (125, 581824), (160, 454550), (200, 363640), (250, 290912), (320, 227275), (400, 181820), (500, 145456), (800, 90910), (1000, 72728), (1600, 45455), (2000, 36364), (4000, 18182), (8000, 9091)]