7913635840

素因数分解:

$2^{15}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4391}}^1$

素因数の和:4437

約数の個数: 128

約数和(自身を含む): 20723739840

約数和(自身を除く): 12810104000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2048, 2560, 2816, 3520, 4096, 4391, 5120, 5632, 7040, 8192, 8782, 10240, 11264, 14080, 16384, 17564, 20480, 21955, 22528, 28160, 32768, 35128, 40960, 43910, 45056, 48301, 56320, 70256, 81920, 87820, 90112, 96602, 112640, 140512, 163840, 175640, 180224, 193204, 225280, 241505, 281024, 351280, 360448, 386408, 450560, 483010, 562048, 702560, 772816, 901120, 966020, 1124096, 1405120, 1545632, 1802240, 1932040, 2248192, 2810240, 3091264, 3864080, 4496384, 5620480, 6182528, 7728160, 8992768, 11240960, 12365056, 15456320, 17985536, 22481920, 24730112, 30912640, 35971072, 44963840, 49460224, 61825280, 71942144, 89927680, 98920448, 123650560, 143884288, 179855360, 197840896, 247301120, 359710720, 395681792, 494602240, 719421440, 791363584, 989204480, 1582727168, 1978408960, 3956817920, 7913635840]

約数ペア:

[(1, 7913635840), (2, 3956817920), (4, 1978408960), (5, 1582727168), (8, 989204480), (10, 791363584), (11, 719421440), (16, 494602240), (20, 395681792), (22, 359710720), (32, 247301120), (40, 197840896), (44, 179855360), (55, 143884288), (64, 123650560), (80, 98920448), (88, 89927680), (110, 71942144), (128, 61825280), (160, 49460224), (176, 44963840), (220, 35971072), (256, 30912640), (320, 24730112), (352, 22481920), (440, 17985536), (512, 15456320), (640, 12365056), (704, 11240960), (880, 8992768), (1024, 7728160), (1280, 6182528), (1408, 5620480), (1760, 4496384), (2048, 3864080), (2560, 3091264), (2816, 2810240), (3520, 2248192), (4096, 1932040), (4391, 1802240), (5120, 1545632), (5632, 1405120), (7040, 1124096), (8192, 966020), (8782, 901120), (10240, 772816), (11264, 702560), (14080, 562048), (16384, 483010), (17564, 450560), (20480, 386408), (21955, 360448), (22528, 351280), (28160, 281024), (32768, 241505), (35128, 225280), (40960, 193204), (43910, 180224), (45056, 175640), (48301, 163840), (56320, 140512), (70256, 112640), (81920, 96602), (87820, 90112)]