81078750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{7207}}^1$

素因数の和:7235

約数の個数: 60

約数和(自身を含む): 219548472

約数和(自身を除く): 138469722

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 625, 750, 1125, 1250, 1875, 2250, 3750, 5625, 7207, 11250, 14414, 21621, 36035, 43242, 64863, 72070, 108105, 129726, 180175, 216210, 324315, 360350, 540525, 648630, 900875, 1081050, 1621575, 1801750, 2702625, 3243150, 4504375, 5405250, 8107875, 9008750, 13513125, 16215750, 27026250, 40539375, 81078750]

約数ペア:

[(1, 81078750), (2, 40539375), (3, 27026250), (5, 16215750), (6, 13513125), (9, 9008750), (10, 8107875), (15, 5405250), (18, 4504375), (25, 3243150), (30, 2702625), (45, 1801750), (50, 1621575), (75, 1081050), (90, 900875), (125, 648630), (150, 540525), (225, 360350), (250, 324315), (375, 216210), (450, 180175), (625, 129726), (750, 108105), (1125, 72070), (1250, 64863), (1875, 43242), (2250, 36035), (3750, 21621), (5625, 14414), (7207, 11250)]