261510720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{272407}}^1$

素因数の和:272427

約数の個数: 56

約数和(自身を含む): 830299584

約数和(自身を除く): 568788864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 272407, 544814, 817221, 1089628, 1362035, 1634442, 2179256, 2724070, 3268884, 4086105, 4358512, 5448140, 6537768, 8172210, 8717024, 10896280, 13075536, 16344420, 17434048, 21792560, 26151072, 32688840, 43585120, 52302144, 65377680, 87170240, 130755360, 261510720]

約数ペア:

[(1, 261510720), (2, 130755360), (3, 87170240), (4, 65377680), (5, 52302144), (6, 43585120), (8, 32688840), (10, 26151072), (12, 21792560), (15, 17434048), (16, 16344420), (20, 13075536), (24, 10896280), (30, 8717024), (32, 8172210), (40, 6537768), (48, 5448140), (60, 4358512), (64, 4086105), (80, 3268884), (96, 2724070), (120, 2179256), (160, 1634442), (192, 1362035), (240, 1089628), (320, 817221), (480, 544814), (960, 272407)]