145031080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{213281}}^1$

素因数の和:213309

約数の個数: 32

約数和(自身を含む): 345516840

約数和(自身を除く): 200485760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 213281, 426562, 853124, 1066405, 1706248, 2132810, 3625777, 4265620, 7251554, 8531240, 14503108, 18128885, 29006216, 36257770, 72515540, 145031080]

約数ペア:

[(1, 145031080), (2, 72515540), (4, 36257770), (5, 29006216), (8, 18128885), (10, 14503108), (17, 8531240), (20, 7251554), (34, 4265620), (40, 3625777), (68, 2132810), (85, 1706248), (136, 1066405), (170, 853124), (340, 426562), (680, 213281)]