128736240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 427472640

約数和(自身を除く): 298736400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 139, 170, 204, 227, 240, 255, 272, 278, 340, 408, 417, 454, 510, 556, 680, 681, 695, 816, 834, 908, 1020, 1112, 1135, 1360, 1362, 1390, 1668, 1816, 2040, 2085, 2224, 2270, 2363, 2724, 2780, 3336, 3405, 3632, 3859, 4080, 4170, 4540, 4726, 5448, 5560, 6672, 6810, 7089, 7718, 8340, 9080, 9452, 10896, 11120, 11577, 11815, 13620, 14178, 15436, 16680, 18160, 18904, 19295, 23154, 23630, 27240, 28356, 30872, 31553, 33360, 35445, 37808, 38590, 46308, 47260, 54480, 56712, 57885, 61744, 63106, 70890, 77180, 92616, 94520, 94659, 113424, 115770, 126212, 141780, 154360, 157765, 185232, 189040, 189318, 231540, 252424, 283560, 308720, 315530, 378636, 463080, 473295, 504848, 536401, 567120, 631060, 757272, 926160, 946590, 1072802, 1262120, 1514544, 1609203, 1893180, 2145604, 2524240, 2682005, 3218406, 3786360, 4291208, 5364010, 6436812, 7572720, 8046015, 8582416, 10728020, 12873624, 16092030, 21456040, 25747248, 32184060, 42912080, 64368120, 128736240]

約数ペア:

[(1, 128736240), (2, 64368120), (3, 42912080), (4, 32184060), (5, 25747248), (6, 21456040), (8, 16092030), (10, 12873624), (12, 10728020), (15, 8582416), (16, 8046015), (17, 7572720), (20, 6436812), (24, 5364010), (30, 4291208), (34, 3786360), (40, 3218406), (48, 2682005), (51, 2524240), (60, 2145604), (68, 1893180), (80, 1609203), (85, 1514544), (102, 1262120), (120, 1072802), (136, 946590), (139, 926160), (170, 757272), (204, 631060), (227, 567120), (240, 536401), (255, 504848), (272, 473295), (278, 463080), (340, 378636), (408, 315530), (417, 308720), (454, 283560), (510, 252424), (556, 231540), (680, 189318), (681, 189040), (695, 185232), (816, 157765), (834, 154360), (908, 141780), (1020, 126212), (1112, 115770), (1135, 113424), (1360, 94659), (1362, 94520), (1390, 92616), (1668, 77180), (1816, 70890), (2040, 63106), (2085, 61744), (2224, 57885), (2270, 56712), (2363, 54480), (2724, 47260), (2780, 46308), (3336, 38590), (3405, 37808), (3632, 35445), (3859, 33360), (4080, 31553), (4170, 30872), (4540, 28356), (4726, 27240), (5448, 23630), (5560, 23154), (6672, 19295), (6810, 18904), (7089, 18160), (7718, 16680), (8340, 15436), (9080, 14178), (9452, 13620), (10896, 11815), (11120, 11577)]