393720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 1257120

約数和(自身を除く): 863400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 193, 204, 255, 340, 386, 408, 510, 579, 680, 772, 965, 1020, 1158, 1544, 1930, 2040, 2316, 2895, 3281, 3860, 4632, 5790, 6562, 7720, 9843, 11580, 13124, 16405, 19686, 23160, 26248, 32810, 39372, 49215, 65620, 78744, 98430, 131240, 196860, 393720]

約数ペア:

[(1, 393720), (2, 196860), (3, 131240), (4, 98430), (5, 78744), (6, 65620), (8, 49215), (10, 39372), (12, 32810), (15, 26248), (17, 23160), (20, 19686), (24, 16405), (30, 13124), (34, 11580), (40, 9843), (51, 7720), (60, 6562), (68, 5790), (85, 4632), (102, 3860), (120, 3281), (136, 2895), (170, 2316), (193, 2040), (204, 1930), (255, 1544), (340, 1158), (386, 1020), (408, 965), (510, 772), (579, 680)]