18420000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{307}}^1$

素因数の和:340

約数の個数: 120

約数和(自身を含む): 60618096

約数和(自身を除く): 42198096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 307, 375, 400, 480, 500, 600, 614, 625, 750, 800, 921, 1000, 1200, 1228, 1250, 1500, 1535, 1842, 1875, 2000, 2400, 2456, 2500, 3000, 3070, 3684, 3750, 4000, 4605, 4912, 5000, 6000, 6140, 7368, 7500, 7675, 9210, 9824, 10000, 12000, 12280, 14736, 15000, 15350, 18420, 20000, 23025, 24560, 29472, 30000, 30700, 36840, 38375, 46050, 49120, 60000, 61400, 73680, 76750, 92100, 115125, 122800, 147360, 153500, 184200, 191875, 230250, 245600, 307000, 368400, 383750, 460500, 575625, 614000, 736800, 767500, 921000, 1151250, 1228000, 1535000, 1842000, 2302500, 3070000, 3684000, 4605000, 6140000, 9210000, 18420000]

約数ペア:

[(1, 18420000), (2, 9210000), (3, 6140000), (4, 4605000), (5, 3684000), (6, 3070000), (8, 2302500), (10, 1842000), (12, 1535000), (15, 1228000), (16, 1151250), (20, 921000), (24, 767500), (25, 736800), (30, 614000), (32, 575625), (40, 460500), (48, 383750), (50, 368400), (60, 307000), (75, 245600), (80, 230250), (96, 191875), (100, 184200), (120, 153500), (125, 147360), (150, 122800), (160, 115125), (200, 92100), (240, 76750), (250, 73680), (300, 61400), (307, 60000), (375, 49120), (400, 46050), (480, 38375), (500, 36840), (600, 30700), (614, 30000), (625, 29472), (750, 24560), (800, 23025), (921, 20000), (1000, 18420), (1200, 15350), (1228, 15000), (1250, 14736), (1500, 12280), (1535, 12000), (1842, 10000), (1875, 9824), (2000, 9210), (2400, 7675), (2456, 7500), (2500, 7368), (3000, 6140), (3070, 6000), (3684, 5000), (3750, 4912), (4000, 4605)]