31201320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260011}}^1$

素因数の和:260025

約数の個数: 32

約数和(自身を含む): 93604320

約数和(自身を除く): 62403000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260011, 520022, 780033, 1040044, 1300055, 1560066, 2080088, 2600110, 3120132, 3900165, 5200220, 6240264, 7800330, 10400440, 15600660, 31201320]

約数ペア:

[(1, 31201320), (2, 15600660), (3, 10400440), (4, 7800330), (5, 6240264), (6, 5200220), (8, 3900165), (10, 3120132), (12, 2600110), (15, 2080088), (20, 1560066), (24, 1300055), (30, 1040044), (40, 780033), (60, 520022), (120, 260011)]