261314240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1306

約数の個数: 112

約数和(自身を含む): 690518304

約数和(自身を除く): 429204064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 160, 176, 220, 244, 305, 320, 352, 440, 488, 610, 671, 704, 880, 976, 1217, 1220, 1342, 1760, 1952, 2434, 2440, 2684, 3355, 3520, 3904, 4868, 4880, 5368, 6085, 6710, 9736, 9760, 10736, 12170, 13387, 13420, 19472, 19520, 21472, 24340, 26774, 26840, 38944, 42944, 48680, 53548, 53680, 66935, 74237, 77888, 97360, 107096, 107360, 133870, 148474, 194720, 214192, 214720, 267740, 296948, 371185, 389440, 428384, 535480, 593896, 742370, 816607, 856768, 1070960, 1187792, 1484740, 1633214, 2141920, 2375584, 2969480, 3266428, 4083035, 4283840, 4751168, 5938960, 6532856, 8166070, 11877920, 13065712, 16332140, 23755840, 26131424, 32664280, 52262848, 65328560, 130657120, 261314240]

約数ペア:

[(1, 261314240), (2, 130657120), (4, 65328560), (5, 52262848), (8, 32664280), (10, 26131424), (11, 23755840), (16, 16332140), (20, 13065712), (22, 11877920), (32, 8166070), (40, 6532856), (44, 5938960), (55, 4751168), (61, 4283840), (64, 4083035), (80, 3266428), (88, 2969480), (110, 2375584), (122, 2141920), (160, 1633214), (176, 1484740), (220, 1187792), (244, 1070960), (305, 856768), (320, 816607), (352, 742370), (440, 593896), (488, 535480), (610, 428384), (671, 389440), (704, 371185), (880, 296948), (976, 267740), (1217, 214720), (1220, 214192), (1342, 194720), (1760, 148474), (1952, 133870), (2434, 107360), (2440, 107096), (2684, 97360), (3355, 77888), (3520, 74237), (3904, 66935), (4868, 53680), (4880, 53548), (5368, 48680), (6085, 42944), (6710, 38944), (9736, 26840), (9760, 26774), (10736, 24340), (12170, 21472), (13387, 19520), (13420, 19472)]