245257680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1021907}}^1$

素因数の和:1021923

約数の個数: 40

約数和(自身を含む): 760299552

約数和(自身を除く): 515041872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1021907, 2043814, 3065721, 4087628, 5109535, 6131442, 8175256, 10219070, 12262884, 15328605, 16350512, 20438140, 24525768, 30657210, 40876280, 49051536, 61314420, 81752560, 122628840, 245257680]

約数ペア:

[(1, 245257680), (2, 122628840), (3, 81752560), (4, 61314420), (5, 49051536), (6, 40876280), (8, 30657210), (10, 24525768), (12, 20438140), (15, 16350512), (16, 15328605), (20, 12262884), (24, 10219070), (30, 8175256), (40, 6131442), (48, 5109535), (60, 4087628), (80, 3065721), (120, 2043814), (240, 1021907)]