19755000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{439}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 67009800

約数和(自身を除く): 47254800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 439, 450, 500, 600, 625, 750, 878, 900, 1000, 1125, 1250, 1317, 1500, 1756, 1800, 1875, 2195, 2250, 2500, 2634, 3000, 3512, 3750, 3951, 4390, 4500, 5000, 5268, 5625, 6585, 7500, 7902, 8780, 9000, 10536, 10975, 11250, 13170, 15000, 15804, 17560, 19755, 21950, 22500, 26340, 31608, 32925, 39510, 43900, 45000, 52680, 54875, 65850, 79020, 87800, 98775, 109750, 131700, 158040, 164625, 197550, 219500, 263400, 274375, 329250, 395100, 439000, 493875, 548750, 658500, 790200, 823125, 987750, 1097500, 1317000, 1646250, 1975500, 2195000, 2469375, 3292500, 3951000, 4938750, 6585000, 9877500, 19755000]

約数ペア:

[(1, 19755000), (2, 9877500), (3, 6585000), (4, 4938750), (5, 3951000), (6, 3292500), (8, 2469375), (9, 2195000), (10, 1975500), (12, 1646250), (15, 1317000), (18, 1097500), (20, 987750), (24, 823125), (25, 790200), (30, 658500), (36, 548750), (40, 493875), (45, 439000), (50, 395100), (60, 329250), (72, 274375), (75, 263400), (90, 219500), (100, 197550), (120, 164625), (125, 158040), (150, 131700), (180, 109750), (200, 98775), (225, 87800), (250, 79020), (300, 65850), (360, 54875), (375, 52680), (439, 45000), (450, 43900), (500, 39510), (600, 32925), (625, 31608), (750, 26340), (878, 22500), (900, 21950), (1000, 19755), (1125, 17560), (1250, 15804), (1317, 15000), (1500, 13170), (1756, 11250), (1800, 10975), (1875, 10536), (2195, 9000), (2250, 8780), (2500, 7902), (2634, 7500), (3000, 6585), (3512, 5625), (3750, 5268), (3951, 5000), (4390, 4500)]