78721800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{131203}}^1$

素因数の和:131222

約数の個数: 48

約数和(自身を含む): 244039440

約数和(自身を除く): 165317640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 131203, 262406, 393609, 524812, 656015, 787218, 1049624, 1312030, 1574436, 1968045, 2624060, 3148872, 3280075, 3936090, 5248120, 6560150, 7872180, 9840225, 13120300, 15744360, 19680450, 26240600, 39360900, 78721800]

約数ペア:

[(1, 78721800), (2, 39360900), (3, 26240600), (4, 19680450), (5, 15744360), (6, 13120300), (8, 9840225), (10, 7872180), (12, 6560150), (15, 5248120), (20, 3936090), (24, 3280075), (25, 3148872), (30, 2624060), (40, 1968045), (50, 1574436), (60, 1312030), (75, 1049624), (100, 787218), (120, 656015), (150, 524812), (200, 393609), (300, 262406), (600, 131203)]