1290222720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9739}}^1$

素因数の和:9787

約数の個数: 192

約数和(自身を含む): 4649486400

約数和(自身を除く): 3359263680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 640, 690, 720, 736, 828, 920, 960, 1035, 1104, 1152, 1380, 1440, 1472, 1656, 1840, 1920, 2070, 2208, 2760, 2880, 2944, 3312, 3680, 4140, 4416, 5520, 5760, 6624, 7360, 8280, 8832, 9739, 11040, 13248, 14720, 16560, 19478, 22080, 26496, 29217, 33120, 38956, 44160, 48695, 58434, 66240, 77912, 87651, 97390, 116868, 132480, 146085, 155824, 175302, 194780, 223997, 233736, 292170, 311648, 350604, 389560, 438255, 447994, 467472, 584340, 623296, 671991, 701208, 779120, 876510, 895988, 934944, 1119985, 1168680, 1246592, 1343982, 1402416, 1558240, 1753020, 1791976, 1869888, 2015973, 2239970, 2337360, 2687964, 2804832, 3116480, 3359955, 3506040, 3583952, 3739776, 4031946, 4479940, 4674720, 5375928, 5609664, 6232960, 6719910, 7012080, 7167904, 8063892, 8959880, 9349440, 10079865, 10751856, 11219328, 13439820, 14024160, 14335808, 16127784, 17919760, 18698880, 20159730, 21503712, 26879640, 28048320, 28671616, 32255568, 35839520, 40319460, 43007424, 53759280, 56096640, 64511136, 71679040, 80638920, 86014848, 107518560, 129022272, 143358080, 161277840, 215037120, 258044544, 322555680, 430074240, 645111360, 1290222720]

約数ペア:

[(1, 1290222720), (2, 645111360), (3, 430074240), (4, 322555680), (5, 258044544), (6, 215037120), (8, 161277840), (9, 143358080), (10, 129022272), (12, 107518560), (15, 86014848), (16, 80638920), (18, 71679040), (20, 64511136), (23, 56096640), (24, 53759280), (30, 43007424), (32, 40319460), (36, 35839520), (40, 32255568), (45, 28671616), (46, 28048320), (48, 26879640), (60, 21503712), (64, 20159730), (69, 18698880), (72, 17919760), (80, 16127784), (90, 14335808), (92, 14024160), (96, 13439820), (115, 11219328), (120, 10751856), (128, 10079865), (138, 9349440), (144, 8959880), (160, 8063892), (180, 7167904), (184, 7012080), (192, 6719910), (207, 6232960), (230, 5609664), (240, 5375928), (276, 4674720), (288, 4479940), (320, 4031946), (345, 3739776), (360, 3583952), (368, 3506040), (384, 3359955), (414, 3116480), (460, 2804832), (480, 2687964), (552, 2337360), (576, 2239970), (640, 2015973), (690, 1869888), (720, 1791976), (736, 1753020), (828, 1558240), (920, 1402416), (960, 1343982), (1035, 1246592), (1104, 1168680), (1152, 1119985), (1380, 934944), (1440, 895988), (1472, 876510), (1656, 779120), (1840, 701208), (1920, 671991), (2070, 623296), (2208, 584340), (2760, 467472), (2880, 447994), (2944, 438255), (3312, 389560), (3680, 350604), (4140, 311648), (4416, 292170), (5520, 233736), (5760, 223997), (6624, 194780), (7360, 175302), (8280, 155824), (8832, 146085), (9739, 132480), (11040, 116868), (13248, 97390), (14720, 87651), (16560, 77912), (19478, 66240), (22080, 58434), (26496, 48695), (29217, 44160), (33120, 38956)]