7899840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:247

約数の個数: 168

約数和(自身を含む): 29401008

約数和(自身を除く): 21501168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 211, 234, 240, 260, 288, 312, 320, 360, 390, 416, 422, 468, 480, 520, 576, 585, 624, 633, 720, 780, 832, 844, 936, 960, 1040, 1055, 1170, 1248, 1266, 1440, 1560, 1688, 1872, 1899, 2080, 2110, 2340, 2496, 2532, 2743, 2880, 3120, 3165, 3376, 3744, 3798, 4160, 4220, 4680, 5064, 5486, 6240, 6330, 6752, 7488, 7596, 8229, 8440, 9360, 9495, 10128, 10972, 12480, 12660, 13504, 13715, 15192, 16458, 16880, 18720, 18990, 20256, 21944, 24687, 25320, 27430, 30384, 32916, 33760, 37440, 37980, 40512, 41145, 43888, 49374, 50640, 54860, 60768, 65832, 67520, 75960, 82290, 87776, 98748, 101280, 109720, 121536, 123435, 131664, 151920, 164580, 175552, 197496, 202560, 219440, 246870, 263328, 303840, 329160, 394992, 438880, 493740, 526656, 607680, 658320, 789984, 877760, 987480, 1316640, 1579968, 1974960, 2633280, 3949920, 7899840]

約数ペア:

[(1, 7899840), (2, 3949920), (3, 2633280), (4, 1974960), (5, 1579968), (6, 1316640), (8, 987480), (9, 877760), (10, 789984), (12, 658320), (13, 607680), (15, 526656), (16, 493740), (18, 438880), (20, 394992), (24, 329160), (26, 303840), (30, 263328), (32, 246870), (36, 219440), (39, 202560), (40, 197496), (45, 175552), (48, 164580), (52, 151920), (60, 131664), (64, 123435), (65, 121536), (72, 109720), (78, 101280), (80, 98748), (90, 87776), (96, 82290), (104, 75960), (117, 67520), (120, 65832), (130, 60768), (144, 54860), (156, 50640), (160, 49374), (180, 43888), (192, 41145), (195, 40512), (208, 37980), (211, 37440), (234, 33760), (240, 32916), (260, 30384), (288, 27430), (312, 25320), (320, 24687), (360, 21944), (390, 20256), (416, 18990), (422, 18720), (468, 16880), (480, 16458), (520, 15192), (576, 13715), (585, 13504), (624, 12660), (633, 12480), (720, 10972), (780, 10128), (832, 9495), (844, 9360), (936, 8440), (960, 8229), (1040, 7596), (1055, 7488), (1170, 6752), (1248, 6330), (1266, 6240), (1440, 5486), (1560, 5064), (1688, 4680), (1872, 4220), (1899, 4160), (2080, 3798), (2110, 3744), (2340, 3376), (2496, 3165), (2532, 3120), (2743, 2880)]