28328225940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:146

約数の個数: 864

約数和(自身を含む): 111834777600

約数和(自身を除く): 83506551660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 31, 35, 36, 38, 41, 42, 45, 49, 57, 60, 62, 63, 70, 76, 82, 84, 90, 93, 95, 98, 105, 114, 123, 124, 126, 133, 140, 147, 155, 164, 171, 180, 186, 190, 196, 205, 210, 217, 228, 245, 246, 252, 266, 279, 285, 287, 294, 310, 315, 342, 343, 361, 369, 372, 380, 399, 410, 420, 434, 441, 465, 490, 492, 532, 558, 570, 574, 588, 589, 615, 620, 630, 651, 665, 684, 686, 722, 735, 738, 779, 798, 820, 855, 861, 868, 882, 930, 931, 980, 1029, 1083, 1085, 1116, 1140, 1148, 1178, 1197, 1230, 1260, 1271, 1302, 1330, 1372, 1395, 1435, 1444, 1470, 1476, 1519, 1558, 1596, 1710, 1715, 1722, 1764, 1767, 1805, 1845, 1860, 1862, 1953, 1995, 2009, 2058, 2166, 2170, 2205, 2337, 2356, 2394, 2460, 2527, 2542, 2583, 2604, 2660, 2790, 2793, 2870, 2940, 2945, 3038, 3087, 3116, 3249, 3255, 3420, 3430, 3444, 3534, 3610, 3690, 3724, 3813, 3895, 3906, 3990, 4018, 4116, 4123, 4305, 4332, 4340, 4410, 4557, 4655, 4674, 4788, 5054, 5084, 5145, 5166, 5301, 5415, 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51660, 53010, 53067, 53165, 53382, 54530, 54684, 55860, 55955, 56252, 57195, 57722, 58653, 59204, 60270, 61740, 61845, 62279, 63798, 64980, 65170, 65436, 67146, 68355, 70110, 70315, 70756, 72324, 72447, 74005, 74214, 75810, 76260, 76342, 78204, 78337, 80073, 81795, 82460, 83790, 84378, 86583, 88445, 88806, 88970, 90405, 90972, 91140, 95697, 96596, 97755, 98154, 100719, 103607, 106020, 106134, 106330, 106764, 109060, 111910, 113715, 114390, 114513, 115444, 117306, 120540, 120745, 123690, 123823, 124558, 126567, 127596, 130340, 133209, 133455, 134292, 136710, 140220, 140630, 144305, 144894, 148010, 148428, 151620, 152684, 156674, 159201, 159495, 160146, 163590, 167580, 167865, 168756, 169043, 173166, 176890, 177612, 177940, 180810, 185535, 186837, 190855, 191394, 195510, 196308, 201438, 202027, 207214, 210945, 212268, 212660, 217341, 222015, 223820, 227430, 228780, 229026, 234612, 235011, 241490, 245385, 247380, 247646, 249116, 253134, 259749, 265335, 266418, 266910, 267197, 273420, 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1485876, 1521387, 1554105, 1566740, 1592010, 1601460, 1603182, 1645077, 1690430, 1717695, 1731660, 1743812, 1818243, 1835324, 1857345, 1864926, 1868370, 1913940, 2014380, 2020270, 2028516, 2072140, 2173410, 2175747, 2179765, 2193436, 2228814, 2242044, 2290260, 2294155, 2350110, 2366602, 2404773, 2424324, 2476460, 2531340, 2535645, 2597490, 2615718, 2664180, 2671970, 2741795, 2752986, 2802555, 2820132, 2900996, 3030405, 3042774, 3108210, 3184020, 3206364, 3211817, 3290154, 3380860, 3435390, 3525165, 3549903, 3626245, 3636486, 3714690, 3729852, 3736740, 3838513, 3923577, 4007955, 4040540, 4129479, 4346820, 4351494, 4359530, 4457628, 4588310, 4662315, 4700220, 4733204, 4809546, 4935231, 5071290, 5076743, 5194980, 5231436, 5343940, 5483590, 5505972, 5572035, 5605110, 5916505, 6060810, 6085548, 6216420, 6423634, 6527241, 6539295, 6580308, 6870780, 6882465, 7050330, 7099806, 7252490, 7272972, 7429380, 7606935, 7677026, 7847154, 8015910, 8225385, 8258958, 8283107, 8702988, 8719060, 9091215, 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約数ペア:

[(1, 28328225940), (2, 14164112970), (3, 9442741980), (4, 7082056485), (5, 5665645188), (6, 4721370990), (7, 4046889420), (9, 3147580660), (10, 2832822594), (12, 2360685495), (14, 2023444710), (15, 1888548396), (18, 1573790330), (19, 1490959260), (20, 1416411297), (21, 1348963140), (28, 1011722355), (30, 944274198), (31, 913813740), (35, 809377884), (36, 786895165), (38, 745479630), (41, 690932340), (42, 674481570), (45, 629516132), (49, 578127060), (57, 496986420), (60, 472137099), (62, 456906870), (63, 449654380), (70, 404688942), (76, 372739815), (82, 345466170), (84, 337240785), (90, 314758066), (93, 304604580), (95, 298191852), (98, 289063530), (105, 269792628), (114, 248493210), (123, 230310780), (124, 228453435), (126, 224827190), (133, 212994180), (140, 202344471), (147, 192709020), (155, 182762748), (164, 172733085), (171, 165662140), (180, 157379033), (186, 152302290), (190, 149095926), (196, 144531765), (205, 138186468), (210, 134896314), (217, 130544820), (228, 124246605), (245, 115625412), (246, 115155390), (252, 112413595), (266, 106497090), (279, 101534860), (285, 99397284), (287, 98704620), (294, 96354510), (310, 91381374), (315, 89930876), (342, 82831070), (343, 82589580), (361, 78471540), (369, 76770260), (372, 76151145), (380, 74547963), (399, 70998060), (410, 69093234), (420, 67448157), (434, 65272410), (441, 64236340), (465, 60920916), (490, 57812706), (492, 57577695), (532, 53248545), (558, 50767430), (570, 49698642), (574, 49352310), (588, 48177255), (589, 48095460), (615, 46062156), (620, 45690687), (630, 44965438), (651, 43514940), (665, 42598836), (684, 41415535), (686, 41294790), (722, 39235770), (735, 38541804), (738, 38385130), (779, 36364860), (798, 35499030), (820, 34546617), (855, 33132428), (861, 32901540), (868, 32636205), (882, 32118170), (930, 30460458), (931, 30427740), (980, 28906353), (1029, 27529860), (1083, 26157180), (1085, 26108964), (1116, 25383715), (1140, 24849321), (1148, 24676155), (1178, 24047730), (1197, 23666020), (1230, 23031078), (1260, 22482719), (1271, 22288140), (1302, 21757470), (1330, 21299418), (1372, 20647395), (1395, 20306972), (1435, 19740924), (1444, 19617885), (1470, 19270902), (1476, 19192565), (1519, 18649260), (1558, 18182430), (1596, 17749515), (1710, 16566214), (1715, 16517916), (1722, 16450770), (1764, 16059085), (1767, 16031820), (1805, 15694308), (1845, 15354052), (1860, 15230229), (1862, 15213870), (1953, 14504980), (1995, 14199612), (2009, 14100660), (2058, 13764930), (2166, 13078590), (2170, 13054482), (2205, 12847268), (2337, 12121620), (2356, 12023865), (2394, 11833010), (2460, 11515539), (2527, 11210220), (2542, 11144070), (2583, 10967180), (2604, 10878735), (2660, 10649709), (2790, 10153486), (2793, 10142580), (2870, 9870462), (2940, 9635451), (2945, 9619092), (3038, 9324630), (3087, 9176620), (3116, 9091215), (3249, 8719060), (3255, 8702988), (3420, 8283107), (3430, 8258958), (3444, 8225385), (3534, 8015910), (3610, 7847154), (3690, 7677026), (3724, 7606935), (3813, 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