2135671680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1997}}^1$

素因数の和:2576

約数の個数: 128

約数和(自身を含む): 6823090080

約数和(自身を除く): 4687418400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 557, 640, 960, 1114, 1671, 1920, 1997, 2228, 2785, 3342, 3994, 4456, 5570, 5991, 6684, 7988, 8355, 8912, 9985, 11140, 11982, 13368, 15976, 16710, 17824, 19970, 22280, 23964, 26736, 29955, 31952, 33420, 35648, 39940, 44560, 47928, 53472, 59910, 63904, 66840, 71296, 79880, 89120, 95856, 106944, 119820, 127808, 133680, 159760, 178240, 191712, 213888, 239640, 255616, 267360, 319520, 356480, 383424, 479280, 534720, 639040, 766848, 958560, 1069440, 1112329, 1278080, 1917120, 2224658, 3336987, 3834240, 4449316, 5561645, 6673974, 8898632, 11123290, 13347948, 16684935, 17797264, 22246580, 26695896, 33369870, 35594528, 44493160, 53391792, 66739740, 71189056, 88986320, 106783584, 133479480, 142378112, 177972640, 213567168, 266958960, 355945280, 427134336, 533917920, 711890560, 1067835840, 2135671680]

約数ペア:

[(1, 2135671680), (2, 1067835840), (3, 711890560), (4, 533917920), (5, 427134336), (6, 355945280), (8, 266958960), (10, 213567168), (12, 177972640), (15, 142378112), (16, 133479480), (20, 106783584), (24, 88986320), (30, 71189056), (32, 66739740), (40, 53391792), (48, 44493160), (60, 35594528), (64, 33369870), (80, 26695896), (96, 22246580), (120, 17797264), (128, 16684935), (160, 13347948), (192, 11123290), (240, 8898632), (320, 6673974), (384, 5561645), (480, 4449316), (557, 3834240), (640, 3336987), (960, 2224658), (1114, 1917120), (1671, 1278080), (1920, 1112329), (1997, 1069440), (2228, 958560), (2785, 766848), (3342, 639040), (3994, 534720), (4456, 479280), (5570, 383424), (5991, 356480), (6684, 319520), (7988, 267360), (8355, 255616), (8912, 239640), (9985, 213888), (11140, 191712), (11982, 178240), (13368, 159760), (15976, 133680), (16710, 127808), (17824, 119820), (19970, 106944), (22280, 95856), (23964, 89120), (26736, 79880), (29955, 71296), (31952, 66840), (33420, 63904), (35648, 59910), (39940, 53472), (44560, 47928)]