318900000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{1063}}^1$

素因数の和:1101

約数の個数: 144

約数和(自身を含む): 1047307968

約数和(自身を除く): 728407968

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, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1063, 1200, 1250, 1500, 1875, 2000, 2126, 2400, 2500, 3000, 3125, 3189, 3750, 4000, 4252, 5000, 5315, 6000, 6250, 6378, 7500, 8504, 9375, 10000, 10630, 12000, 12500, 12756, 15000, 15945, 17008, 18750, 20000, 21260, 25000, 25512, 26575, 30000, 31890, 34016, 37500, 42520, 50000, 51024, 53150, 60000, 63780, 75000, 79725, 85040, 100000, 102048, 106300, 127560, 132875, 150000, 159450, 170080, 212600, 255120, 265750, 300000, 318900, 398625, 425200, 510240, 531500, 637800, 664375, 797250, 850400, 1063000, 1275600, 1328750, 1594500, 1993125, 2126000, 2551200, 2657500, 3189000, 3321875, 3986250, 4252000, 5315000, 6378000, 6643750, 7972500, 9965625, 10630000, 12756000, 13287500, 15945000, 19931250, 21260000, 26575000, 31890000, 39862500, 53150000, 63780000, 79725000, 106300000, 159450000, 318900000]

約数ペア:

[(1, 318900000), (2, 159450000), (3, 106300000), (4, 79725000), (5, 63780000), (6, 53150000), (8, 39862500), (10, 31890000), (12, 26575000), (15, 21260000), (16, 19931250), (20, 15945000), (24, 13287500), (25, 12756000), (30, 10630000), (32, 9965625), (40, 7972500), (48, 6643750), (50, 6378000), (60, 5315000), (75, 4252000), (80, 3986250), (96, 3321875), (100, 3189000), (120, 2657500), (125, 2551200), (150, 2126000), (160, 1993125), (200, 1594500), (240, 1328750), (250, 1275600), (300, 1063000), (375, 850400), (400, 797250), (480, 664375), (500, 637800), (600, 531500), (625, 510240), (750, 425200), (800, 398625), (1000, 318900), (1063, 300000), (1200, 265750), (1250, 255120), (1500, 212600), (1875, 170080), (2000, 159450), (2126, 150000), (2400, 132875), (2500, 127560), (3000, 106300), (3125, 102048), (3189, 100000), (3750, 85040), (4000, 79725), (4252, 75000), (5000, 63780), (5315, 60000), (6000, 53150), (6250, 51024), (6378, 50000), (7500, 42520), (8504, 37500), (9375, 34016), (10000, 31890), (10630, 30000), (12000, 26575), (12500, 25512), (12756, 25000), (15000, 21260), (15945, 20000), (17008, 18750)]