251416872

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1357

約数の個数: 160

約数和(自身を含む): 824155200

約数和(自身を除く): 572738328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 81, 84, 86, 108, 126, 129, 162, 168, 172, 189, 216, 252, 258, 301, 324, 344, 378, 387, 504, 516, 567, 602, 648, 756, 774, 903, 1032, 1134, 1161, 1204, 1289, 1512, 1548, 1806, 2268, 2322, 2408, 2578, 2709, 3096, 3483, 3612, 3867, 4536, 4644, 5156, 5418, 6966, 7224, 7734, 8127, 9023, 9288, 10312, 10836, 11601, 13932, 15468, 16254, 18046, 21672, 23202, 24381, 27069, 27864, 30936, 32508, 34803, 36092, 46404, 48762, 54138, 55427, 65016, 69606, 72184, 81207, 92808, 97524, 104409, 108276, 110854, 139212, 162414, 166281, 195048, 208818, 216552, 221708, 243621, 278424, 324828, 332562, 387989, 417636, 443416, 487242, 498843, 649656, 665124, 730863, 775978, 835272, 974484, 997686, 1163967, 1330248, 1461726, 1496529, 1551956, 1948968, 1995372, 2327934, 2923452, 2993058, 3103912, 3491901, 3990744, 4489587, 4655868, 5846904, 5986116, 6983802, 8979174, 9311736, 10475703, 11972232, 13967604, 17958348, 20951406, 27935208, 31427109, 35916696, 41902812, 62854218, 83805624, 125708436, 251416872]

約数ペア:

[(1, 251416872), (2, 125708436), (3, 83805624), (4, 62854218), (6, 41902812), (7, 35916696), (8, 31427109), (9, 27935208), (12, 20951406), (14, 17958348), (18, 13967604), (21, 11972232), (24, 10475703), (27, 9311736), (28, 8979174), (36, 6983802), (42, 5986116), (43, 5846904), (54, 4655868), (56, 4489587), (63, 3990744), (72, 3491901), (81, 3103912), (84, 2993058), (86, 2923452), (108, 2327934), (126, 1995372), (129, 1948968), (162, 1551956), (168, 1496529), (172, 1461726), (189, 1330248), (216, 1163967), (252, 997686), (258, 974484), (301, 835272), (324, 775978), (344, 730863), (378, 665124), (387, 649656), (504, 498843), (516, 487242), (567, 443416), (602, 417636), (648, 387989), (756, 332562), (774, 324828), (903, 278424), (1032, 243621), (1134, 221708), (1161, 216552), (1204, 208818), (1289, 195048), (1512, 166281), (1548, 162414), (1806, 139212), (2268, 110854), (2322, 108276), (2408, 104409), (2578, 97524), (2709, 92808), (3096, 81207), (3483, 72184), (3612, 69606), (3867, 65016), (4536, 55427), (4644, 54138), (5156, 48762), (5418, 46404), (6966, 36092), (7224, 34803), (7734, 32508), (8127, 30936), (9023, 27864), (9288, 27069), (10312, 24381), (10836, 23202), (11601, 21672), (13932, 18046), (15468, 16254)]