12157500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{1621}}^1$

素因数の和:1648

約数の個数: 60

約数和(自身を含む): 35469896

約数和(自身を除く): 23312396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1621, 1875, 2500, 3242, 3750, 4863, 6484, 7500, 8105, 9726, 16210, 19452, 24315, 32420, 40525, 48630, 81050, 97260, 121575, 162100, 202625, 243150, 405250, 486300, 607875, 810500, 1013125, 1215750, 2026250, 2431500, 3039375, 4052500, 6078750, 12157500]

約数ペア:

[(1, 12157500), (2, 6078750), (3, 4052500), (4, 3039375), (5, 2431500), (6, 2026250), (10, 1215750), (12, 1013125), (15, 810500), (20, 607875), (25, 486300), (30, 405250), (50, 243150), (60, 202625), (75, 162100), (100, 121575), (125, 97260), (150, 81050), (250, 48630), (300, 40525), (375, 32420), (500, 24315), (625, 19452), (750, 16210), (1250, 9726), (1500, 8105), (1621, 7500), (1875, 6484), (2500, 4863), (3242, 3750)]