280395720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 288

約数和(自身を含む): 1032627960

約数和(自身を除く): 752232240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 41, 44, 45, 55, 60, 66, 72, 82, 88, 90, 99, 110, 120, 121, 123, 132, 157, 164, 165, 180, 198, 205, 220, 242, 246, 264, 314, 328, 330, 360, 363, 369, 396, 410, 440, 451, 471, 484, 492, 495, 605, 615, 628, 660, 726, 738, 785, 792, 820, 902, 942, 968, 984, 990, 1089, 1210, 1230, 1256, 1320, 1353, 1413, 1452, 1476, 1570, 1640, 1727, 1804, 1815, 1845, 1884, 1980, 2178, 2255, 2355, 2420, 2460, 2706, 2826, 2904, 2952, 3140, 3454, 3608, 3630, 3690, 3768, 3960, 4059, 4356, 4510, 4710, 4840, 4920, 4961, 5181, 5412, 5445, 5652, 6280, 6437, 6765, 6908, 7065, 7260, 7380, 8118, 8635, 8712, 9020, 9420, 9922, 10362, 10824, 10890, 11304, 12874, 13530, 13816, 14130, 14520, 14760, 14883, 15543, 16236, 17270, 18040, 18840, 18997, 19311, 19844, 20295, 20724, 21780, 24805, 25748, 25905, 27060, 28260, 29766, 31086, 32185, 32472, 34540, 37994, 38622, 39688, 40590, 41448, 43560, 44649, 49610, 51496, 51810, 54120, 56520, 56991, 57933, 59532, 62172, 64370, 69080, 70807, 74415, 75988, 77244, 77715, 81180, 89298, 94985, 96555, 99220, 103620, 113982, 115866, 119064, 124344, 128740, 141614, 148830, 151976, 154488, 155430, 162360, 170973, 178596, 189970, 193110, 198440, 207240, 212421, 223245, 227964, 231732, 257480, 283228, 284955, 289665, 297660, 310860, 341946, 354035, 357192, 379940, 386220, 424842, 446490, 455928, 463464, 566456, 569910, 579330, 595320, 621720, 637263, 683892, 708070, 759880, 772440, 778877, 849684, 854865, 892980, 1062105, 1139820, 1158660, 1274526, 1367784, 1416140, 1557754, 1699368, 1709730, 1785960, 2124210, 2279640, 2317320, 2336631, 2549052, 2832280, 3115508, 3186315, 3419460, 3894385, 4248420, 4673262, 5098104, 6231016, 6372630, 6838920, 7009893, 7788770, 8496840, 9346524, 11683155, 12745260, 14019786, 15577540, 18693048, 23366310, 25490520, 28039572, 31155080, 35049465, 46732620, 56079144, 70098930, 93465240, 140197860, 280395720]

約数ペア:

[(1, 280395720), (2, 140197860), (3, 93465240), (4, 70098930), (5, 56079144), (6, 46732620), (8, 35049465), (9, 31155080), (10, 28039572), (11, 25490520), (12, 23366310), (15, 18693048), (18, 15577540), (20, 14019786), (22, 12745260), (24, 11683155), (30, 9346524), (33, 8496840), (36, 7788770), (40, 7009893), (41, 6838920), (44, 6372630), (45, 6231016), (55, 5098104), (60, 4673262), (66, 4248420), (72, 3894385), (82, 3419460), (88, 3186315), (90, 3115508), (99, 2832280), (110, 2549052), (120, 2336631), (121, 2317320), (123, 2279640), (132, 2124210), (157, 1785960), (164, 1709730), (165, 1699368), (180, 1557754), (198, 1416140), (205, 1367784), (220, 1274526), (242, 1158660), (246, 1139820), (264, 1062105), (314, 892980), (328, 854865), (330, 849684), (360, 778877), (363, 772440), (369, 759880), (396, 708070), (410, 683892), (440, 637263), (451, 621720), (471, 595320), (484, 579330), (492, 569910), (495, 566456), (605, 463464), (615, 455928), (628, 446490), (660, 424842), (726, 386220), (738, 379940), (785, 357192), (792, 354035), (820, 341946), (902, 310860), (942, 297660), (968, 289665), (984, 284955), (990, 283228), (1089, 257480), (1210, 231732), (1230, 227964), (1256, 223245), (1320, 212421), (1353, 207240), (1413, 198440), (1452, 193110), (1476, 189970), (1570, 178596), (1640, 170973), (1727, 162360), (1804, 155430), (1815, 154488), (1845, 151976), (1884, 148830), (1980, 141614), (2178, 128740), (2255, 124344), (2355, 119064), (2420, 115866), (2460, 113982), (2706, 103620), (2826, 99220), (2904, 96555), (2952, 94985), (3140, 89298), (3454, 81180), (3608, 77715), (3630, 77244), (3690, 75988), (3768, 74415), (3960, 70807), (4059, 69080), (4356, 64370), (4510, 62172), (4710, 59532), (4840, 57933), (4920, 56991), (4961, 56520), (5181, 54120), (5412, 51810), (5445, 51496), (5652, 49610), (6280, 44649), (6437, 43560), (6765, 41448), (6908, 40590), (7065, 39688), (7260, 38622), (7380, 37994), (8118, 34540), (8635, 32472), (8712, 32185), (9020, 31086), (9420, 29766), (9922, 28260), (10362, 27060), (10824, 25905), (10890, 25748), (11304, 24805), (12874, 21780), (13530, 20724), (13816, 20295), (14130, 19844), (14520, 19311), (14760, 18997), (14883, 18840), (15543, 18040), (16236, 17270)]