1280941920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{15077}}^1$

素因数の和:15157

約数の個数: 144

約数和(自身を含む): 4445597520

約数和(自身を除く): 3164655600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1440, 1770, 1888, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 5664, 7080, 8496, 9440, 10620, 14160, 15077, 16992, 21240, 28320, 30154, 42480, 45231, 60308, 75385, 84960, 90462, 120616, 135693, 150770, 180924, 226155, 241232, 271386, 301540, 361848, 452310, 482464, 542772, 603080, 678465, 723696, 889543, 904620, 1085544, 1206160, 1356930, 1447392, 1779086, 1809240, 2171088, 2412320, 2668629, 2713860, 3558172, 3618480, 4342176, 4447715, 5337258, 5427720, 7116344, 7236960, 8005887, 8895430, 10674516, 10855440, 13343145, 14232688, 16011774, 17790860, 21349032, 21710880, 26686290, 28465376, 32023548, 35581720, 40029435, 42698064, 53372580, 64047096, 71163440, 80058870, 85396128, 106745160, 128094192, 142326880, 160117740, 213490320, 256188384, 320235480, 426980640, 640470960, 1280941920]

約数ペア:

[(1, 1280941920), (2, 640470960), (3, 426980640), (4, 320235480), (5, 256188384), (6, 213490320), (8, 160117740), (9, 142326880), (10, 128094192), (12, 106745160), (15, 85396128), (16, 80058870), (18, 71163440), (20, 64047096), (24, 53372580), (30, 42698064), (32, 40029435), (36, 35581720), (40, 32023548), (45, 28465376), (48, 26686290), (59, 21710880), (60, 21349032), (72, 17790860), (80, 16011774), (90, 14232688), (96, 13343145), (118, 10855440), (120, 10674516), (144, 8895430), (160, 8005887), (177, 7236960), (180, 7116344), (236, 5427720), (240, 5337258), (288, 4447715), (295, 4342176), (354, 3618480), (360, 3558172), (472, 2713860), (480, 2668629), (531, 2412320), (590, 2171088), (708, 1809240), (720, 1779086), (885, 1447392), (944, 1356930), (1062, 1206160), (1180, 1085544), (1416, 904620), (1440, 889543), (1770, 723696), (1888, 678465), (2124, 603080), (2360, 542772), (2655, 482464), (2832, 452310), (3540, 361848), (4248, 301540), (4720, 271386), (5310, 241232), (5664, 226155), (7080, 180924), (8496, 150770), (9440, 135693), (10620, 120616), (14160, 90462), (15077, 84960), (16992, 75385), (21240, 60308), (28320, 45231), (30154, 42480)]