205428120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1711901}}^1$

素因数の和:1711915

約数の個数: 32

約数和(自身を含む): 616284720

約数和(自身を除く): 410856600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1711901, 3423802, 5135703, 6847604, 8559505, 10271406, 13695208, 17119010, 20542812, 25678515, 34238020, 41085624, 51357030, 68476040, 102714060, 205428120]

約数ペア:

[(1, 205428120), (2, 102714060), (3, 68476040), (4, 51357030), (5, 41085624), (6, 34238020), (8, 25678515), (10, 20542812), (12, 17119010), (15, 13695208), (20, 10271406), (24, 8559505), (30, 6847604), (40, 5135703), (60, 3423802), (120, 1711901)]