1605000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{107}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 5060880

約数和(自身を除く): 3455880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 107, 120, 125, 150, 200, 214, 250, 300, 321, 375, 428, 500, 535, 600, 625, 642, 750, 856, 1000, 1070, 1250, 1284, 1500, 1605, 1875, 2140, 2500, 2568, 2675, 3000, 3210, 3750, 4280, 5000, 5350, 6420, 7500, 8025, 10700, 12840, 13375, 15000, 16050, 21400, 26750, 32100, 40125, 53500, 64200, 66875, 80250, 107000, 133750, 160500, 200625, 267500, 321000, 401250, 535000, 802500, 1605000]

約数ペア:

[(1, 1605000), (2, 802500), (3, 535000), (4, 401250), (5, 321000), (6, 267500), (8, 200625), (10, 160500), (12, 133750), (15, 107000), (20, 80250), (24, 66875), (25, 64200), (30, 53500), (40, 40125), (50, 32100), (60, 26750), (75, 21400), (100, 16050), (107, 15000), (120, 13375), (125, 12840), (150, 10700), (200, 8025), (214, 7500), (250, 6420), (300, 5350), (321, 5000), (375, 4280), (428, 3750), (500, 3210), (535, 3000), (600, 2675), (625, 2568), (642, 2500), (750, 2140), (856, 1875), (1000, 1605), (1070, 1500), (1250, 1284)]