19605000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1307}}^1$

素因数の和:1336

約数の個数: 80

約数和(自身を含む): 61292880

約数和(自身を除く): 41687880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1307, 1500, 1875, 2500, 2614, 3000, 3750, 3921, 5000, 5228, 6535, 7500, 7842, 10456, 13070, 15000, 15684, 19605, 26140, 31368, 32675, 39210, 52280, 65350, 78420, 98025, 130700, 156840, 163375, 196050, 261400, 326750, 392100, 490125, 653500, 784200, 816875, 980250, 1307000, 1633750, 1960500, 2450625, 3267500, 3921000, 4901250, 6535000, 9802500, 19605000]

約数ペア:

[(1, 19605000), (2, 9802500), (3, 6535000), (4, 4901250), (5, 3921000), (6, 3267500), (8, 2450625), (10, 1960500), (12, 1633750), (15, 1307000), (20, 980250), (24, 816875), (25, 784200), (30, 653500), (40, 490125), (50, 392100), (60, 326750), (75, 261400), (100, 196050), (120, 163375), (125, 156840), (150, 130700), (200, 98025), (250, 78420), (300, 65350), (375, 52280), (500, 39210), (600, 32675), (625, 31368), (750, 26140), (1000, 19605), (1250, 15684), (1307, 15000), (1500, 13070), (1875, 10456), (2500, 7842), (2614, 7500), (3000, 6535), (3750, 5228), (3921, 5000)]