309999720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2583331}}^1$

素因数の和:2583345

約数の個数: 32

約数和(自身を含む): 929999520

約数和(自身を除く): 619999800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2583331, 5166662, 7749993, 10333324, 12916655, 15499986, 20666648, 25833310, 30999972, 38749965, 51666620, 61999944, 77499930, 103333240, 154999860, 309999720]

約数ペア:

[(1, 309999720), (2, 154999860), (3, 103333240), (4, 77499930), (5, 61999944), (6, 51666620), (8, 38749965), (10, 30999972), (12, 25833310), (15, 20666648), (20, 15499986), (24, 12916655), (30, 10333324), (40, 7749993), (60, 5166662), (120, 2583331)]