72784260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404357}}^1$

素因数の和:404372

約数の個数: 36

約数和(自身を含む): 220779468

約数和(自身を除く): 147995208

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404357, 808714, 1213071, 1617428, 2021785, 2426142, 3639213, 4043570, 4852284, 6065355, 7278426, 8087140, 12130710, 14556852, 18196065, 24261420, 36392130, 72784260]

約数ペア:

[(1, 72784260), (2, 36392130), (3, 24261420), (4, 18196065), (5, 14556852), (6, 12130710), (9, 8087140), (10, 7278426), (12, 6065355), (15, 4852284), (18, 4043570), (20, 3639213), (30, 2426142), (36, 2021785), (45, 1617428), (60, 1213071), (90, 808714), (180, 404357)]