642000

素因数分解:

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

素因数の和:133

約数の個数: 80

約数和(自身を含む): 2089152

約数和(自身を除く): 1447152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 107, 120, 125, 150, 200, 214, 240, 250, 300, 321, 375, 400, 428, 500, 535, 600, 642, 750, 856, 1000, 1070, 1200, 1284, 1500, 1605, 1712, 2000, 2140, 2568, 2675, 3000, 3210, 4280, 5136, 5350, 6000, 6420, 8025, 8560, 10700, 12840, 13375, 16050, 21400, 25680, 26750, 32100, 40125, 42800, 53500, 64200, 80250, 107000, 128400, 160500, 214000, 321000, 642000]

約数ペア:

[(1, 642000), (2, 321000), (3, 214000), (4, 160500), (5, 128400), (6, 107000), (8, 80250), (10, 64200), (12, 53500), (15, 42800), (16, 40125), (20, 32100), (24, 26750), (25, 25680), (30, 21400), (40, 16050), (48, 13375), (50, 12840), (60, 10700), (75, 8560), (80, 8025), (100, 6420), (107, 6000), (120, 5350), (125, 5136), (150, 4280), (200, 3210), (214, 3000), (240, 2675), (250, 2568), (300, 2140), (321, 2000), (375, 1712), (400, 1605), (428, 1500), (500, 1284), (535, 1200), (600, 1070), (642, 1000), (750, 856)]