205930320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{858043}}^1$

素因数の和:858059

約数の個数: 40

約数和(自身を含む): 638384736

約数和(自身を除く): 432454416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 858043, 1716086, 2574129, 3432172, 4290215, 5148258, 6864344, 8580430, 10296516, 12870645, 13728688, 17160860, 20593032, 25741290, 34321720, 41186064, 51482580, 68643440, 102965160, 205930320]

約数ペア:

[(1, 205930320), (2, 102965160), (3, 68643440), (4, 51482580), (5, 41186064), (6, 34321720), (8, 25741290), (10, 20593032), (12, 17160860), (15, 13728688), (16, 12870645), (20, 10296516), (24, 8580430), (30, 6864344), (40, 5148258), (48, 4290215), (60, 3432172), (80, 2574129), (120, 1716086), (240, 858043)]