256604880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8039}}^1$

素因数の和:8081

約数の個数: 160

約数和(自身を含む): 957081600

約数和(自身を除く): 700476720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 8039, 10640, 15960, 16078, 24117, 31920, 32156, 40195, 48234, 56273, 64312, 80390, 96468, 112546, 120585, 128624, 152741, 160780, 168819, 192936, 225092, 241170, 281365, 305482, 321560, 337638, 385872, 450184, 458223, 482340, 562730, 610964, 643120, 675276, 763705, 844095, 900368, 916446, 964680, 1069187, 1125460, 1221928, 1350552, 1527410, 1688190, 1832892, 1929360, 2138374, 2250920, 2291115, 2443856, 2701104, 3054820, 3207561, 3376380, 3665784, 4276748, 4501840, 4582230, 5345935, 6109640, 6415122, 6752760, 7331568, 8553496, 9164460, 10691870, 12219280, 12830244, 13505520, 16037805, 17106992, 18328920, 21383740, 25660488, 32075610, 36657840, 42767480, 51320976, 64151220, 85534960, 128302440, 256604880]

約数ペア:

[(1, 256604880), (2, 128302440), (3, 85534960), (4, 64151220), (5, 51320976), (6, 42767480), (7, 36657840), (8, 32075610), (10, 25660488), (12, 21383740), (14, 18328920), (15, 17106992), (16, 16037805), (19, 13505520), (20, 12830244), (21, 12219280), (24, 10691870), (28, 9164460), (30, 8553496), (35, 7331568), (38, 6752760), (40, 6415122), (42, 6109640), (48, 5345935), (56, 4582230), (57, 4501840), (60, 4276748), (70, 3665784), (76, 3376380), (80, 3207561), (84, 3054820), (95, 2701104), (105, 2443856), (112, 2291115), (114, 2250920), (120, 2138374), (133, 1929360), (140, 1832892), (152, 1688190), (168, 1527410), (190, 1350552), (210, 1221928), (228, 1125460), (240, 1069187), (266, 964680), (280, 916446), (285, 900368), (304, 844095), (336, 763705), (380, 675276), (399, 643120), (420, 610964), (456, 562730), (532, 482340), (560, 458223), (570, 450184), (665, 385872), (760, 337638), (798, 321560), (840, 305482), (912, 281365), (1064, 241170), (1140, 225092), (1330, 192936), (1520, 168819), (1596, 160780), (1680, 152741), (1995, 128624), (2128, 120585), (2280, 112546), (2660, 96468), (3192, 80390), (3990, 64312), (4560, 56273), (5320, 48234), (6384, 40195), (7980, 32156), (8039, 31920), (10640, 24117), (15960, 16078)]