1258721280

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{6829}}^1$

素因数の和:6864

約数の個数: 156

約数和(自身を含む): 4363673340

約数和(自身を除く): 3104952060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4096, 4608, 5120, 5760, 6144, 6829, 7680, 9216, 10240, 11520, 12288, 13658, 15360, 18432, 20480, 20487, 23040, 27316, 30720, 34145, 36864, 40974, 46080, 54632, 61440, 61461, 68290, 81948, 92160, 102435, 109264, 122922, 136580, 163896, 184320, 204870, 218528, 245844, 273160, 307305, 327792, 409740, 437056, 491688, 546320, 614610, 655584, 819480, 874112, 983376, 1092640, 1229220, 1311168, 1638960, 1748224, 1966752, 2185280, 2458440, 2622336, 3277920, 3496448, 3933504, 4370560, 4916880, 5244672, 6555840, 6992896, 7867008, 8741120, 9833760, 10489344, 13111680, 13985792, 15734016, 17482240, 19667520, 20978688, 26223360, 27971584, 31468032, 34964480, 39335040, 41957376, 52446720, 62936064, 69928960, 78670080, 83914752, 104893440, 125872128, 139857920, 157340160, 209786880, 251744256, 314680320, 419573760, 629360640, 1258721280]

約数ペア:

[(1, 1258721280), (2, 629360640), (3, 419573760), (4, 314680320), (5, 251744256), (6, 209786880), (8, 157340160), (9, 139857920), (10, 125872128), (12, 104893440), (15, 83914752), (16, 78670080), (18, 69928960), (20, 62936064), (24, 52446720), (30, 41957376), (32, 39335040), (36, 34964480), (40, 31468032), (45, 27971584), (48, 26223360), (60, 20978688), (64, 19667520), (72, 17482240), (80, 15734016), (90, 13985792), (96, 13111680), (120, 10489344), (128, 9833760), (144, 8741120), (160, 7867008), (180, 6992896), (192, 6555840), (240, 5244672), (256, 4916880), (288, 4370560), (320, 3933504), (360, 3496448), (384, 3277920), (480, 2622336), (512, 2458440), (576, 2185280), (640, 1966752), (720, 1748224), (768, 1638960), (960, 1311168), (1024, 1229220), (1152, 1092640), (1280, 983376), (1440, 874112), (1536, 819480), (1920, 655584), (2048, 614610), (2304, 546320), (2560, 491688), (2880, 437056), (3072, 409740), (3840, 327792), (4096, 307305), (4608, 273160), (5120, 245844), (5760, 218528), (6144, 204870), (6829, 184320), (7680, 163896), (9216, 136580), (10240, 122922), (11520, 109264), (12288, 102435), (13658, 92160), (15360, 81948), (18432, 68290), (20480, 61461), (20487, 61440), (23040, 54632), (27316, 46080), (30720, 40974), (34145, 36864)]