256402080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16187}}^1$

素因数の和:16219

約数の個数: 144

約数和(自身を含む): 954573984

約数和(自身を除く): 698171904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 16187, 32374, 48561, 64748, 80935, 97122, 129496, 145683, 161870, 178057, 194244, 242805, 258992, 291366, 323740, 356114, 388488, 485610, 517984, 534171, 582732, 647480, 712228, 728415, 776976, 890285, 971220, 1068342, 1165464, 1294960, 1424456, 1456830, 1553952, 1602513, 1780570, 1942440, 2136684, 2330928, 2589920, 2670855, 2848912, 2913660, 3205026, 3561140, 3884880, 4273368, 4661856, 5341710, 5697824, 5827320, 6410052, 7122280, 7769760, 8012565, 8546736, 10683420, 11654640, 12820104, 14244560, 16025130, 17093472, 21366840, 23309280, 25640208, 28489120, 32050260, 42733680, 51280416, 64100520, 85467360, 128201040, 256402080]

約数ペア:

[(1, 256402080), (2, 128201040), (3, 85467360), (4, 64100520), (5, 51280416), (6, 42733680), (8, 32050260), (9, 28489120), (10, 25640208), (11, 23309280), (12, 21366840), (15, 17093472), (16, 16025130), (18, 14244560), (20, 12820104), (22, 11654640), (24, 10683420), (30, 8546736), (32, 8012565), (33, 7769760), (36, 7122280), (40, 6410052), (44, 5827320), (45, 5697824), (48, 5341710), (55, 4661856), (60, 4273368), (66, 3884880), (72, 3561140), (80, 3205026), (88, 2913660), (90, 2848912), (96, 2670855), (99, 2589920), (110, 2330928), (120, 2136684), (132, 1942440), (144, 1780570), (160, 1602513), (165, 1553952), (176, 1456830), (180, 1424456), (198, 1294960), (220, 1165464), (240, 1068342), (264, 971220), (288, 890285), (330, 776976), (352, 728415), (360, 712228), (396, 647480), (440, 582732), (480, 534171), (495, 517984), (528, 485610), (660, 388488), (720, 356114), (792, 323740), (880, 291366), (990, 258992), (1056, 242805), (1320, 194244), (1440, 178057), (1584, 161870), (1760, 145683), (1980, 129496), (2640, 97122), (3168, 80935), (3960, 64748), (5280, 48561), (7920, 32374), (15840, 16187)]