256661328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 240

約数和(自身を含む): 854945280

約数和(自身を除く): 598283952

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 59, 66, 77, 84, 88, 107, 112, 118, 121, 132, 154, 168, 176, 177, 214, 231, 236, 242, 264, 308, 321, 336, 354, 363, 413, 428, 462, 472, 484, 528, 616, 642, 649, 708, 726, 749, 826, 847, 856, 924, 944, 968, 1177, 1232, 1239, 1284, 1298, 1416, 1452, 1498, 1652, 1694, 1712, 1848, 1936, 1947, 2247, 2354, 2478, 2541, 2568, 2596, 2832, 2904, 2996, 3304, 3388, 3531, 3696, 3894, 4494, 4543, 4708, 4956, 5082, 5136, 5192, 5808, 5992, 6313, 6608, 6776, 7062, 7139, 7788, 8239, 8988, 9086, 9416, 9912, 10164, 10384, 11984, 12626, 12947, 13552, 13629, 14124, 14278, 15576, 16478, 17976, 18172, 18832, 18939, 19824, 20328, 21417, 24717, 25252, 25894, 27258, 28248, 28556, 31152, 32956, 35952, 36344, 37878, 38841, 40656, 42834, 44191, 49434, 49973, 50504, 51788, 54516, 56496, 57112, 65912, 69443, 72688, 75756, 77682, 85668, 88382, 90629, 98868, 99946, 101008, 103576, 109032, 114224, 131824, 132573, 138886, 149919, 151512, 155364, 171336, 176764, 181258, 197736, 199892, 207152, 208329, 218064, 265146, 271887, 277772, 299838, 303024, 310728, 342672, 353528, 362516, 395472, 399784, 416658, 486101, 530292, 543774, 555544, 599676, 621456, 707056, 725032, 763873, 799568, 833316, 972202, 1060584, 1087548, 1111088, 1199352, 1450064, 1458303, 1527746, 1666632, 1944404, 2121168, 2175096, 2291619, 2398704, 2916606, 3055492, 3333264, 3888808, 4350192, 4583238, 5347111, 5833212, 6110984, 7777616, 9166476, 10694222, 11666424, 12221968, 16041333, 18332952, 21388444, 23332848, 32082666, 36665904, 42776888, 64165332, 85553776, 128330664, 256661328]

約数ペア:

[(1, 256661328), (2, 128330664), (3, 85553776), (4, 64165332), (6, 42776888), (7, 36665904), (8, 32082666), (11, 23332848), (12, 21388444), (14, 18332952), (16, 16041333), (21, 12221968), (22, 11666424), (24, 10694222), (28, 9166476), (33, 7777616), (42, 6110984), (44, 5833212), (48, 5347111), (56, 4583238), (59, 4350192), (66, 3888808), (77, 3333264), (84, 3055492), (88, 2916606), (107, 2398704), (112, 2291619), (118, 2175096), (121, 2121168), (132, 1944404), (154, 1666632), (168, 1527746), (176, 1458303), (177, 1450064), (214, 1199352), (231, 1111088), (236, 1087548), (242, 1060584), (264, 972202), (308, 833316), (321, 799568), (336, 763873), (354, 725032), (363, 707056), (413, 621456), (428, 599676), (462, 555544), (472, 543774), (484, 530292), (528, 486101), (616, 416658), (642, 399784), (649, 395472), (708, 362516), (726, 353528), (749, 342672), (826, 310728), (847, 303024), (856, 299838), (924, 277772), (944, 271887), (968, 265146), (1177, 218064), (1232, 208329), (1239, 207152), (1284, 199892), (1298, 197736), (1416, 181258), (1452, 176764), (1498, 171336), (1652, 155364), (1694, 151512), (1712, 149919), (1848, 138886), (1936, 132573), (1947, 131824), (2247, 114224), (2354, 109032), (2478, 103576), (2541, 101008), (2568, 99946), (2596, 98868), (2832, 90629), (2904, 88382), (2996, 85668), (3304, 77682), (3388, 75756), (3531, 72688), (3696, 69443), (3894, 65912), (4494, 57112), (4543, 56496), (4708, 54516), (4956, 51788), (5082, 50504), (5136, 49973), (5192, 49434), (5808, 44191), (5992, 42834), (6313, 40656), (6608, 38841), (6776, 37878), (7062, 36344), (7139, 35952), (7788, 32956), (8239, 31152), (8988, 28556), (9086, 28248), (9416, 27258), (9912, 25894), (10164, 25252), (10384, 24717), (11984, 21417), (12626, 20328), (12947, 19824), (13552, 18939), (13629, 18832), (14124, 18172), (14278, 17976), (15576, 16478)]