81486390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{26371}}^1$

素因数の和:26484

約数の個数: 32

約数和(自身を含む): 197473536

約数和(自身を除く): 115987146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 26371, 52742, 79113, 131855, 158226, 263710, 395565, 791130, 2716213, 5432426, 8148639, 13581065, 16297278, 27162130, 40743195, 81486390]

約数ペア:

[(1, 81486390), (2, 40743195), (3, 27162130), (5, 16297278), (6, 13581065), (10, 8148639), (15, 5432426), (30, 2716213), (103, 791130), (206, 395565), (309, 263710), (515, 158226), (618, 131855), (1030, 79113), (1545, 52742), (3090, 26371)]