28279680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 256

約数和(自身を含む): 106928640

約数和(自身を除く): 78648960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 103, 104, 110, 120, 128, 130, 132, 143, 156, 160, 165, 176, 192, 195, 206, 208, 220, 240, 260, 264, 286, 309, 312, 320, 330, 352, 384, 390, 412, 416, 429, 440, 480, 515, 520, 528, 572, 618, 624, 640, 660, 704, 715, 780, 824, 832, 858, 880, 960, 1030, 1040, 1056, 1133, 1144, 1236, 1248, 1320, 1339, 1408, 1430, 1545, 1560, 1648, 1664, 1716, 1760, 1920, 2060, 2080, 2112, 2145, 2266, 2288, 2472, 2496, 2640, 2678, 2860, 3090, 3120, 3296, 3399, 3432, 3520, 4017, 4120, 4160, 4224, 4290, 4532, 4576, 4944, 4992, 5280, 5356, 5665, 5720, 6180, 6240, 6592, 6695, 6798, 6864, 7040, 8034, 8240, 8320, 8580, 9064, 9152, 9888, 10560, 10712, 11330, 11440, 12360, 12480, 13184, 13390, 13596, 13728, 14729, 16068, 16480, 16995, 17160, 18128, 18304, 19776, 20085, 21120, 21424, 22660, 22880, 24720, 24960, 26780, 27192, 27456, 29458, 32136, 32960, 33990, 34320, 36256, 39552, 40170, 42848, 44187, 45320, 45760, 49440, 53560, 54384, 54912, 58916, 64272, 65920, 67980, 68640, 72512, 73645, 80340, 85696, 88374, 90640, 91520, 98880, 107120, 108768, 117832, 128544, 135960, 137280, 145024, 147290, 160680, 171392, 176748, 181280, 197760, 214240, 217536, 220935, 235664, 257088, 271920, 274560, 294580, 321360, 353496, 362560, 428480, 435072, 441870, 471328, 514176, 543840, 589160, 642720, 706992, 725120, 856960, 883740, 942656, 1087680, 1178320, 1285440, 1413984, 1767480, 1885312, 2175360, 2356640, 2570880, 2827968, 3534960, 4713280, 5655936, 7069920, 9426560, 14139840, 28279680]

約数ペア:

[(1, 28279680), (2, 14139840), (3, 9426560), (4, 7069920), (5, 5655936), (6, 4713280), (8, 3534960), (10, 2827968), (11, 2570880), (12, 2356640), (13, 2175360), (15, 1885312), (16, 1767480), (20, 1413984), (22, 1285440), (24, 1178320), (26, 1087680), (30, 942656), (32, 883740), (33, 856960), (39, 725120), (40, 706992), (44, 642720), (48, 589160), (52, 543840), (55, 514176), (60, 471328), (64, 441870), (65, 435072), (66, 428480), (78, 362560), (80, 353496), (88, 321360), (96, 294580), (103, 274560), (104, 271920), (110, 257088), (120, 235664), (128, 220935), (130, 217536), (132, 214240), (143, 197760), (156, 181280), (160, 176748), (165, 171392), (176, 160680), (192, 147290), (195, 145024), (206, 137280), (208, 135960), (220, 128544), (240, 117832), (260, 108768), (264, 107120), (286, 98880), (309, 91520), (312, 90640), (320, 88374), (330, 85696), (352, 80340), (384, 73645), (390, 72512), (412, 68640), (416, 67980), (429, 65920), (440, 64272), (480, 58916), (515, 54912), (520, 54384), (528, 53560), (572, 49440), (618, 45760), (624, 45320), (640, 44187), (660, 42848), (704, 40170), (715, 39552), (780, 36256), (824, 34320), (832, 33990), (858, 32960), (880, 32136), (960, 29458), (1030, 27456), (1040, 27192), (1056, 26780), (1133, 24960), (1144, 24720), (1236, 22880), (1248, 22660), (1320, 21424), (1339, 21120), (1408, 20085), (1430, 19776), (1545, 18304), (1560, 18128), (1648, 17160), (1664, 16995), (1716, 16480), (1760, 16068), (1920, 14729), (2060, 13728), (2080, 13596), (2112, 13390), (2145, 13184), (2266, 12480), (2288, 12360), (2472, 11440), (2496, 11330), (2640, 10712), (2678, 10560), (2860, 9888), (3090, 9152), (3120, 9064), (3296, 8580), (3399, 8320), (3432, 8240), (3520, 8034), (4017, 7040), (4120, 6864), (4160, 6798), (4224, 6695), (4290, 6592), (4532, 6240), (4576, 6180), (4944, 5720), (4992, 5665), (5280, 5356)]