231454440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13121}}^1$

素因数の和:13152

約数の個数: 144

約数和(自身を含む): 875106180

約数和(自身を除く): 643651740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 13121, 17640, 26242, 39363, 52484, 65605, 78726, 91847, 104968, 118089, 131210, 157452, 183694, 196815, 236178, 262420, 275541, 314904, 367388, 393630, 459235, 472356, 524840, 551082, 590445, 642929, 734776, 787260, 826623, 918470, 944712, 1102164, 1180890, 1285858, 1377705, 1574520, 1653246, 1836940, 1928787, 2204328, 2361780, 2571716, 2755410, 3214645, 3306492, 3673880, 3857574, 4133115, 4723560, 5143432, 5510820, 5786361, 6429290, 6612984, 7715148, 8266230, 9643935, 11021640, 11572722, 12858580, 15430296, 16532460, 19287870, 23145444, 25717160, 28931805, 33064920, 38575740, 46290888, 57863610, 77151480, 115727220, 231454440]

約数ペア:

[(1, 231454440), (2, 115727220), (3, 77151480), (4, 57863610), (5, 46290888), (6, 38575740), (7, 33064920), (8, 28931805), (9, 25717160), (10, 23145444), (12, 19287870), (14, 16532460), (15, 15430296), (18, 12858580), (20, 11572722), (21, 11021640), (24, 9643935), (28, 8266230), (30, 7715148), (35, 6612984), (36, 6429290), (40, 5786361), (42, 5510820), (45, 5143432), (49, 4723560), (56, 4133115), (60, 3857574), (63, 3673880), (70, 3306492), (72, 3214645), (84, 2755410), (90, 2571716), (98, 2361780), (105, 2204328), (120, 1928787), (126, 1836940), (140, 1653246), (147, 1574520), (168, 1377705), (180, 1285858), (196, 1180890), (210, 1102164), (245, 944712), (252, 918470), (280, 826623), (294, 787260), (315, 734776), (360, 642929), (392, 590445), (420, 551082), (441, 524840), (490, 472356), (504, 459235), (588, 393630), (630, 367388), (735, 314904), (840, 275541), (882, 262420), (980, 236178), (1176, 196815), (1260, 183694), (1470, 157452), (1764, 131210), (1960, 118089), (2205, 104968), (2520, 91847), (2940, 78726), (3528, 65605), (4410, 52484), (5880, 39363), (8820, 26242), (13121, 17640)]