285720840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{793669}}^1$

素因数の和:793686

約数の個数: 48

約数和(自身を含む): 928593900

約数和(自身を除く): 642873060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 793669, 1587338, 2381007, 3174676, 3968345, 4762014, 6349352, 7143021, 7936690, 9524028, 11905035, 14286042, 15873380, 19048056, 23810070, 28572084, 31746760, 35715105, 47620140, 57144168, 71430210, 95240280, 142860420, 285720840]

約数ペア:

[(1, 285720840), (2, 142860420), (3, 95240280), (4, 71430210), (5, 57144168), (6, 47620140), (8, 35715105), (9, 31746760), (10, 28572084), (12, 23810070), (15, 19048056), (18, 15873380), (20, 14286042), (24, 11905035), (30, 9524028), (36, 7936690), (40, 7143021), (45, 6349352), (60, 4762014), (72, 3968345), (90, 3174676), (120, 2381007), (180, 1587338), (360, 793669)]