263810880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:821

約数の個数: 168

約数和(自身を含む): 915314400

約数和(自身を除く): 651503520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 139, 144, 160, 180, 192, 240, 278, 288, 320, 360, 417, 480, 556, 576, 659, 695, 720, 834, 960, 1112, 1251, 1318, 1390, 1440, 1668, 1977, 2085, 2224, 2502, 2636, 2780, 2880, 3295, 3336, 3954, 4170, 4448, 5004, 5272, 5560, 5931, 6255, 6590, 6672, 7908, 8340, 8896, 9885, 10008, 10544, 11120, 11862, 12510, 13180, 13344, 15816, 16680, 19770, 20016, 21088, 22240, 23724, 25020, 26360, 26688, 29655, 31632, 33360, 39540, 40032, 42176, 44480, 47448, 50040, 52720, 59310, 63264, 66720, 79080, 80064, 91601, 94896, 100080, 105440, 118620, 126528, 133440, 158160, 183202, 189792, 200160, 210880, 237240, 274803, 316320, 366404, 379584, 400320, 458005, 474480, 549606, 632640, 732808, 824409, 916010, 948960, 1099212, 1374015, 1465616, 1648818, 1832020, 1897920, 2198424, 2748030, 2931232, 3297636, 3664040, 4122045, 4396848, 5496060, 5862464, 6595272, 7328080, 8244090, 8793696, 10992120, 13190544, 14656160, 16488180, 17587392, 21984240, 26381088, 29312320, 32976360, 43968480, 52762176, 65952720, 87936960, 131905440, 263810880]

約数ペア:

[(1, 263810880), (2, 131905440), (3, 87936960), (4, 65952720), (5, 52762176), (6, 43968480), (8, 32976360), (9, 29312320), (10, 26381088), (12, 21984240), (15, 17587392), (16, 16488180), (18, 14656160), (20, 13190544), (24, 10992120), (30, 8793696), (32, 8244090), (36, 7328080), (40, 6595272), (45, 5862464), (48, 5496060), (60, 4396848), (64, 4122045), (72, 3664040), (80, 3297636), (90, 2931232), (96, 2748030), (120, 2198424), (139, 1897920), (144, 1832020), (160, 1648818), (180, 1465616), (192, 1374015), (240, 1099212), (278, 948960), (288, 916010), (320, 824409), (360, 732808), (417, 632640), (480, 549606), (556, 474480), (576, 458005), (659, 400320), (695, 379584), (720, 366404), (834, 316320), (960, 274803), (1112, 237240), (1251, 210880), (1318, 200160), (1390, 189792), (1440, 183202), (1668, 158160), (1977, 133440), (2085, 126528), (2224, 118620), (2502, 105440), (2636, 100080), (2780, 94896), (2880, 91601), (3295, 80064), (3336, 79080), (3954, 66720), (4170, 63264), (4448, 59310), (5004, 52720), (5272, 50040), (5560, 47448), (5931, 44480), (6255, 42176), (6590, 40032), (6672, 39540), (7908, 33360), (8340, 31632), (8896, 29655), (9885, 26688), (10008, 26360), (10544, 25020), (11120, 23724), (11862, 22240), (12510, 21088), (13180, 20016), (13344, 19770), (15816, 16680)]