18221854720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:378

約数の個数: 208

約数和(自身を含む): 45493469280

約数和(自身を除く): 27271614560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 139, 148, 160, 173, 185, 256, 278, 296, 320, 346, 370, 512, 556, 592, 640, 692, 695, 740, 865, 1024, 1112, 1184, 1280, 1384, 1390, 1480, 1730, 2048, 2224, 2368, 2560, 2768, 2780, 2960, 3460, 4096, 4448, 4736, 5120, 5143, 5536, 5560, 5920, 6401, 6920, 8896, 9472, 10240, 10286, 11072, 11120, 11840, 12802, 13840, 17792, 18944, 20480, 20572, 22144, 22240, 23680, 24047, 25604, 25715, 27680, 32005, 35584, 37888, 41144, 44288, 44480, 47360, 48094, 51208, 51430, 55360, 64010, 71168, 75776, 82288, 88576, 88960, 94720, 96188, 102416, 102860, 110720, 120235, 128020, 142336, 151552, 164576, 177152, 177920, 189440, 192376, 204832, 205720, 221440, 240470, 256040, 284672, 329152, 354304, 355840, 378880, 384752, 409664, 411440, 442880, 480940, 512080, 569344, 658304, 708608, 711680, 757760, 769504, 819328, 822880, 885760, 889739, 961880, 1024160, 1316608, 1423360, 1539008, 1638656, 1645760, 1771520, 1779478, 1923760, 2048320, 2633216, 2846720, 3078016, 3277312, 3291520, 3543040, 3558956, 3847520, 4096640, 4448695, 5266432, 6156032, 6554624, 6583040, 7117912, 7695040, 8193280, 8897390, 10532864, 12312064, 13109248, 13166080, 14235824, 15390080, 16386560, 17794780, 21065728, 24624128, 26218496, 26332160, 28471648, 30780160, 32773120, 35589560, 49248256, 52664320, 56943296, 61560320, 65546240, 71179120, 98496512, 105328640, 113886592, 123120640, 131092480, 142358240, 227773184, 246241280, 284716480, 455546368, 492482560, 569432960, 911092736, 1138865920, 1822185472, 2277731840, 3644370944, 4555463680, 9110927360, 18221854720]

約数ペア:

[(1, 18221854720), (2, 9110927360), (4, 4555463680), (5, 3644370944), (8, 2277731840), (10, 1822185472), (16, 1138865920), (20, 911092736), (32, 569432960), (37, 492482560), (40, 455546368), (64, 284716480), (74, 246241280), (80, 227773184), (128, 142358240), (139, 131092480), (148, 123120640), (160, 113886592), (173, 105328640), (185, 98496512), (256, 71179120), (278, 65546240), (296, 61560320), (320, 56943296), (346, 52664320), (370, 49248256), (512, 35589560), (556, 32773120), (592, 30780160), (640, 28471648), (692, 26332160), (695, 26218496), (740, 24624128), (865, 21065728), (1024, 17794780), (1112, 16386560), (1184, 15390080), (1280, 14235824), (1384, 13166080), (1390, 13109248), (1480, 12312064), (1730, 10532864), (2048, 8897390), (2224, 8193280), (2368, 7695040), (2560, 7117912), (2768, 6583040), (2780, 6554624), (2960, 6156032), (3460, 5266432), (4096, 4448695), (4448, 4096640), (4736, 3847520), (5120, 3558956), (5143, 3543040), (5536, 3291520), (5560, 3277312), (5920, 3078016), (6401, 2846720), (6920, 2633216), (8896, 2048320), (9472, 1923760), (10240, 1779478), (10286, 1771520), (11072, 1645760), (11120, 1638656), (11840, 1539008), (12802, 1423360), (13840, 1316608), (17792, 1024160), (18944, 961880), (20480, 889739), (20572, 885760), (22144, 822880), (22240, 819328), (23680, 769504), (24047, 757760), (25604, 711680), (25715, 708608), (27680, 658304), (32005, 569344), (35584, 512080), (37888, 480940), (41144, 442880), (44288, 411440), (44480, 409664), (47360, 384752), (48094, 378880), (51208, 355840), (51430, 354304), (55360, 329152), (64010, 284672), (71168, 256040), (75776, 240470), (82288, 221440), (88576, 205720), (88960, 204832), (94720, 192376), (96188, 189440), (102416, 177920), (102860, 177152), (110720, 164576), (120235, 151552), (128020, 142336)]