278805780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 288

約数和(自身を含む): 1013523840

約数和(自身を除く): 734718060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 33, 34, 36, 44, 45, 51, 54, 55, 60, 66, 68, 85, 90, 99, 102, 108, 110, 121, 132, 135, 153, 165, 170, 180, 187, 198, 204, 220, 242, 251, 255, 270, 297, 306, 330, 340, 363, 374, 396, 459, 484, 495, 502, 510, 540, 561, 594, 605, 612, 660, 726, 748, 753, 765, 918, 935, 990, 1004, 1020, 1089, 1122, 1188, 1210, 1255, 1452, 1485, 1506, 1530, 1683, 1815, 1836, 1870, 1980, 2057, 2178, 2244, 2259, 2295, 2420, 2510, 2761, 2805, 2970, 3012, 3060, 3267, 3366, 3630, 3740, 3765, 4114, 4267, 4356, 4518, 4590, 5020, 5049, 5445, 5522, 5610, 5940, 6171, 6534, 6732, 6777, 7260, 7530, 8228, 8283, 8415, 8534, 9036, 9180, 10098, 10285, 10890, 11044, 11220, 11295, 12342, 12801, 13068, 13554, 13805, 15060, 16335, 16566, 16830, 17068, 18513, 20196, 20570, 21335, 21780, 22590, 24684, 24849, 25245, 25602, 27108, 27610, 30371, 30855, 32670, 33132, 33660, 33885, 37026, 38403, 41140, 41415, 42670, 45180, 46937, 49698, 50490, 51204, 55220, 55539, 60742, 61710, 64005, 65340, 67770, 74052, 74547, 76806, 82830, 85340, 91113, 92565, 93874, 99396, 100980, 111078, 115209, 121484, 123420, 124245, 128010, 135540, 140811, 149094, 151855, 153612, 165660, 182226, 185130, 187748, 192015, 222156, 230418, 234685, 248490, 256020, 273339, 277695, 281622, 298188, 303710, 364452, 370260, 372735, 384030, 422433, 455565, 460836, 469370, 496980, 516307, 546678, 555390, 563244, 576045, 607420, 704055, 745470, 768060, 820017, 844866, 911130, 938740, 1032614, 1093356, 1110780, 1152090, 1267299, 1366695, 1408110, 1490940, 1548921, 1640034, 1689732, 1822260, 2065228, 2112165, 2304180, 2534598, 2581535, 2733390, 2816220, 3097842, 3280068, 4100085, 4224330, 4646763, 5069196, 5163070, 5466780, 6195684, 6336495, 7744605, 8200170, 8448660, 9293526, 10326140, 12672990, 13940289, 15489210, 16400340, 18587052, 23233815, 25345980, 27880578, 30978420, 46467630, 55761156, 69701445, 92935260, 139402890, 278805780]

約数ペア:

[(1, 278805780), (2, 139402890), (3, 92935260), (4, 69701445), (5, 55761156), (6, 46467630), (9, 30978420), (10, 27880578), (11, 25345980), (12, 23233815), (15, 18587052), (17, 16400340), (18, 15489210), (20, 13940289), (22, 12672990), (27, 10326140), (30, 9293526), (33, 8448660), (34, 8200170), (36, 7744605), (44, 6336495), (45, 6195684), (51, 5466780), (54, 5163070), (55, 5069196), (60, 4646763), (66, 4224330), (68, 4100085), (85, 3280068), (90, 3097842), (99, 2816220), (102, 2733390), (108, 2581535), (110, 2534598), (121, 2304180), (132, 2112165), (135, 2065228), (153, 1822260), (165, 1689732), (170, 1640034), (180, 1548921), (187, 1490940), (198, 1408110), (204, 1366695), (220, 1267299), (242, 1152090), (251, 1110780), (255, 1093356), (270, 1032614), (297, 938740), (306, 911130), (330, 844866), (340, 820017), (363, 768060), (374, 745470), (396, 704055), (459, 607420), (484, 576045), (495, 563244), (502, 555390), (510, 546678), (540, 516307), (561, 496980), (594, 469370), (605, 460836), (612, 455565), (660, 422433), (726, 384030), (748, 372735), (753, 370260), (765, 364452), (918, 303710), (935, 298188), (990, 281622), (1004, 277695), (1020, 273339), (1089, 256020), (1122, 248490), (1188, 234685), (1210, 230418), (1255, 222156), (1452, 192015), (1485, 187748), (1506, 185130), (1530, 182226), (1683, 165660), (1815, 153612), (1836, 151855), (1870, 149094), (1980, 140811), (2057, 135540), (2178, 128010), (2244, 124245), (2259, 123420), (2295, 121484), (2420, 115209), (2510, 111078), (2761, 100980), (2805, 99396), (2970, 93874), (3012, 92565), (3060, 91113), (3267, 85340), (3366, 82830), (3630, 76806), (3740, 74547), (3765, 74052), (4114, 67770), (4267, 65340), (4356, 64005), (4518, 61710), (4590, 60742), (5020, 55539), (5049, 55220), (5445, 51204), (5522, 50490), (5610, 49698), (5940, 46937), (6171, 45180), (6534, 42670), (6732, 41415), (6777, 41140), (7260, 38403), (7530, 37026), (8228, 33885), (8283, 33660), (8415, 33132), (8534, 32670), (9036, 30855), (9180, 30371), (10098, 27610), (10285, 27108), (10890, 25602), (11044, 25245), (11220, 24849), (11295, 24684), (12342, 22590), (12801, 21780), (13068, 21335), (13554, 20570), (13805, 20196), (15060, 18513), (16335, 17068), (16566, 16830)]