261138240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8243}}^1$

素因数の和:8277

約数の個数: 168

約数和(自身を含む): 979980768

約数和(自身を除く): 718842528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 8243, 10560, 15840, 16486, 24729, 31680, 32972, 41215, 49458, 65944, 74187, 82430, 90673, 98916, 123645, 131888, 148374, 164860, 181346, 197832, 247290, 263776, 272019, 296748, 329720, 362692, 370935, 395664, 453365, 494580, 527552, 544038, 593496, 659440, 725384, 741870, 791328, 816057, 906730, 989160, 1088076, 1186992, 1318880, 1360095, 1450768, 1483740, 1582656, 1632114, 1813460, 1978320, 2176152, 2373984, 2637760, 2720190, 2901536, 2967480, 3264228, 3626920, 3956640, 4080285, 4352304, 4747968, 5440380, 5803072, 5934960, 6528456, 7253840, 7913280, 8160570, 8704608, 10880760, 11869920, 13056912, 14507680, 16321140, 17409216, 21761520, 23739840, 26113824, 29015360, 32642280, 43523040, 52227648, 65284560, 87046080, 130569120, 261138240]

約数ペア:

[(1, 261138240), (2, 130569120), (3, 87046080), (4, 65284560), (5, 52227648), (6, 43523040), (8, 32642280), (9, 29015360), (10, 26113824), (11, 23739840), (12, 21761520), (15, 17409216), (16, 16321140), (18, 14507680), (20, 13056912), (22, 11869920), (24, 10880760), (30, 8704608), (32, 8160570), (33, 7913280), (36, 7253840), (40, 6528456), (44, 5934960), (45, 5803072), (48, 5440380), (55, 4747968), (60, 4352304), (64, 4080285), (66, 3956640), (72, 3626920), (80, 3264228), (88, 2967480), (90, 2901536), (96, 2720190), (99, 2637760), (110, 2373984), (120, 2176152), (132, 1978320), (144, 1813460), (160, 1632114), (165, 1582656), (176, 1483740), (180, 1450768), (192, 1360095), (198, 1318880), (220, 1186992), (240, 1088076), (264, 989160), (288, 906730), (320, 816057), (330, 791328), (352, 741870), (360, 725384), (396, 659440), (440, 593496), (480, 544038), (495, 527552), (528, 494580), (576, 453365), (660, 395664), (704, 370935), (720, 362692), (792, 329720), (880, 296748), (960, 272019), (990, 263776), (1056, 247290), (1320, 197832), (1440, 181346), (1584, 164860), (1760, 148374), (1980, 131888), (2112, 123645), (2640, 98916), (2880, 90673), (3168, 82430), (3520, 74187), (3960, 65944), (5280, 49458), (6336, 41215), (7920, 32972), (8243, 31680), (10560, 24729), (15840, 16486)]