28745160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239543}}^1$

素因数の和:239557

約数の個数: 32

約数和(自身を含む): 86235840

約数和(自身を除く): 57490680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239543, 479086, 718629, 958172, 1197715, 1437258, 1916344, 2395430, 2874516, 3593145, 4790860, 5749032, 7186290, 9581720, 14372580, 28745160]

約数ペア:

[(1, 28745160), (2, 14372580), (3, 9581720), (4, 7186290), (5, 5749032), (6, 4790860), (8, 3593145), (10, 2874516), (12, 2395430), (15, 1916344), (20, 1437258), (24, 1197715), (30, 958172), (40, 718629), (60, 479086), (120, 239543)]