81104580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450581}}^1$

素因数の和:450596

約数の個数: 36

約数和(自身を含む): 246017772

約数和(自身を除く): 164913192

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450581, 901162, 1351743, 1802324, 2252905, 2703486, 4055229, 4505810, 5406972, 6758715, 8110458, 9011620, 13517430, 16220916, 20276145, 27034860, 40552290, 81104580]

約数ペア:

[(1, 81104580), (2, 40552290), (3, 27034860), (4, 20276145), (5, 16220916), (6, 13517430), (9, 9011620), (10, 8110458), (12, 6758715), (15, 5406972), (18, 4505810), (20, 4055229), (30, 2703486), (36, 2252905), (45, 1802324), (60, 1351743), (90, 901162), (180, 450581)]