205339440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{855581}}^1$

素因数の和:855597

約数の個数: 40

約数和(自身を含む): 636553008

約数和(自身を除く): 431213568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 855581, 1711162, 2566743, 3422324, 4277905, 5133486, 6844648, 8555810, 10266972, 12833715, 13689296, 17111620, 20533944, 25667430, 34223240, 41067888, 51334860, 68446480, 102669720, 205339440]

約数ペア:

[(1, 205339440), (2, 102669720), (3, 68446480), (4, 51334860), (5, 41067888), (6, 34223240), (8, 25667430), (10, 20533944), (12, 17111620), (15, 13689296), (16, 12833715), (20, 10266972), (24, 8555810), (30, 6844648), (40, 5133486), (48, 4277905), (60, 3422324), (80, 2566743), (120, 1711162), (240, 855581)]