18638880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 66044160

約数和(自身を除く): 47405280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 96, 103, 104, 116, 120, 130, 145, 156, 160, 174, 195, 206, 208, 232, 240, 260, 290, 309, 312, 348, 377, 390, 412, 416, 435, 464, 480, 515, 520, 580, 618, 624, 696, 754, 780, 824, 870, 928, 1030, 1040, 1131, 1160, 1236, 1248, 1339, 1392, 1508, 1545, 1560, 1648, 1740, 1885, 2060, 2080, 2262, 2320, 2472, 2678, 2784, 2987, 3016, 3090, 3120, 3296, 3480, 3770, 4017, 4120, 4524, 4640, 4944, 5356, 5655, 5974, 6032, 6180, 6240, 6695, 6960, 7540, 8034, 8240, 8961, 9048, 9888, 10712, 11310, 11948, 12064, 12360, 13390, 13920, 14935, 15080, 16068, 16480, 17922, 18096, 20085, 21424, 22620, 23896, 24720, 26780, 29870, 30160, 32136, 35844, 36192, 38831, 40170, 42848, 44805, 45240, 47792, 49440, 53560, 59740, 60320, 64272, 71688, 77662, 80340, 89610, 90480, 95584, 107120, 116493, 119480, 128544, 143376, 155324, 160680, 179220, 180960, 194155, 214240, 232986, 238960, 286752, 310648, 321360, 358440, 388310, 465972, 477920, 582465, 621296, 642720, 716880, 776620, 931944, 1164930, 1242592, 1433760, 1553240, 1863888, 2329860, 3106480, 3727776, 4659720, 6212960, 9319440, 18638880]

約数ペア:

[(1, 18638880), (2, 9319440), (3, 6212960), (4, 4659720), (5, 3727776), (6, 3106480), (8, 2329860), (10, 1863888), (12, 1553240), (13, 1433760), (15, 1242592), (16, 1164930), (20, 931944), (24, 776620), (26, 716880), (29, 642720), (30, 621296), (32, 582465), (39, 477920), (40, 465972), (48, 388310), (52, 358440), (58, 321360), (60, 310648), (65, 286752), (78, 238960), (80, 232986), (87, 214240), (96, 194155), (103, 180960), (104, 179220), (116, 160680), (120, 155324), (130, 143376), (145, 128544), (156, 119480), (160, 116493), (174, 107120), (195, 95584), (206, 90480), (208, 89610), (232, 80340), (240, 77662), (260, 71688), (290, 64272), (309, 60320), (312, 59740), (348, 53560), (377, 49440), (390, 47792), (412, 45240), (416, 44805), (435, 42848), (464, 40170), (480, 38831), (515, 36192), (520, 35844), (580, 32136), (618, 30160), (624, 29870), (696, 26780), (754, 24720), (780, 23896), (824, 22620), (870, 21424), (928, 20085), (1030, 18096), (1040, 17922), (1131, 16480), (1160, 16068), (1236, 15080), (1248, 14935), (1339, 13920), (1392, 13390), (1508, 12360), (1545, 12064), (1560, 11948), (1648, 11310), (1740, 10712), (1885, 9888), (2060, 9048), (2080, 8961), (2262, 8240), (2320, 8034), (2472, 7540), (2678, 6960), (2784, 6695), (2987, 6240), (3016, 6180), (3090, 6032), (3120, 5974), (3296, 5655), (3480, 5356), (3770, 4944), (4017, 4640), (4120, 4524)]