21695528320

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{11251}}^1$

素因数の和:11424

約数の個数: 128

約数和(自身を含む): 54538894080

約数和(自身を除く): 32843365760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 131, 160, 184, 230, 262, 320, 368, 460, 524, 640, 655, 736, 920, 1048, 1310, 1472, 1840, 2096, 2620, 2944, 3013, 3680, 4192, 5240, 6026, 7360, 8384, 10480, 11251, 12052, 14720, 15065, 16768, 20960, 22502, 24104, 30130, 41920, 45004, 48208, 56255, 60260, 83840, 90008, 96416, 112510, 120520, 180016, 192832, 225020, 241040, 258773, 360032, 385664, 450040, 482080, 517546, 720064, 900080, 964160, 1035092, 1293865, 1440128, 1473881, 1800160, 1928320, 2070184, 2587730, 2947762, 3600320, 4140368, 5175460, 5895524, 7200640, 7369405, 8280736, 10350920, 11791048, 14738810, 16561472, 20701840, 23582096, 29477620, 33122944, 33899263, 41403680, 47164192, 58955240, 67798526, 82807360, 94328384, 117910480, 135597052, 165614720, 169496315, 188656768, 235820960, 271194104, 338992630, 471641920, 542388208, 677985260, 943283840, 1084776416, 1355970520, 2169552832, 2711941040, 4339105664, 5423882080, 10847764160, 21695528320]

約数ペア:

[(1, 21695528320), (2, 10847764160), (4, 5423882080), (5, 4339105664), (8, 2711941040), (10, 2169552832), (16, 1355970520), (20, 1084776416), (23, 943283840), (32, 677985260), (40, 542388208), (46, 471641920), (64, 338992630), (80, 271194104), (92, 235820960), (115, 188656768), (128, 169496315), (131, 165614720), (160, 135597052), (184, 117910480), (230, 94328384), (262, 82807360), (320, 67798526), (368, 58955240), (460, 47164192), (524, 41403680), (640, 33899263), (655, 33122944), (736, 29477620), (920, 23582096), (1048, 20701840), (1310, 16561472), (1472, 14738810), (1840, 11791048), (2096, 10350920), (2620, 8280736), (2944, 7369405), (3013, 7200640), (3680, 5895524), (4192, 5175460), (5240, 4140368), (6026, 3600320), (7360, 2947762), (8384, 2587730), (10480, 2070184), (11251, 1928320), (12052, 1800160), (14720, 1473881), (15065, 1440128), (16768, 1293865), (20960, 1035092), (22502, 964160), (24104, 900080), (30130, 720064), (41920, 517546), (45004, 482080), (48208, 450040), (56255, 385664), (60260, 360032), (83840, 258773), (90008, 241040), (96416, 225020), (112510, 192832), (120520, 180016)]