15720840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43669}}^1$

素因数の和:43686

約数の個数: 48

約数和(自身を含む): 51093900

約数和(自身を除く): 35373060

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, 43669, 87338, 131007, 174676, 218345, 262014, 349352, 393021, 436690, 524028, 655035, 786042, 873380, 1048056, 1310070, 1572084, 1746760, 1965105, 2620140, 3144168, 3930210, 5240280, 7860420, 15720840]

約数ペア:

[(1, 15720840), (2, 7860420), (3, 5240280), (4, 3930210), (5, 3144168), (6, 2620140), (8, 1965105), (9, 1746760), (10, 1572084), (12, 1310070), (15, 1048056), (18, 873380), (20, 786042), (24, 655035), (30, 524028), (36, 436690), (40, 393021), (45, 349352), (60, 262014), (72, 218345), (90, 174676), (120, 131007), (180, 87338), (360, 43669)]