1781329920

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:478

約数の個数: 208

約数和(自身を含む): 5787432960

約数和(自身を除く): 4006103040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 367, 384, 395, 474, 480, 512, 632, 640, 734, 768, 790, 948, 960, 1024, 1101, 1185, 1264, 1280, 1468, 1536, 1580, 1835, 1896, 1920, 2048, 2202, 2370, 2528, 2560, 2936, 3072, 3160, 3670, 3792, 3840, 4096, 4404, 4740, 5056, 5120, 5505, 5872, 6144, 6320, 7340, 7584, 7680, 8808, 9480, 10112, 10240, 11010, 11744, 12288, 12640, 14680, 15168, 15360, 17616, 18960, 20224, 20480, 22020, 23488, 25280, 28993, 29360, 30336, 30720, 35232, 37920, 40448, 44040, 46976, 50560, 57986, 58720, 60672, 61440, 70464, 75840, 80896, 86979, 88080, 93952, 101120, 115972, 117440, 121344, 140928, 144965, 151680, 161792, 173958, 176160, 187904, 202240, 231944, 234880, 242688, 281856, 289930, 303360, 323584, 347916, 352320, 375808, 404480, 434895, 463888, 469760, 485376, 563712, 579860, 606720, 695832, 704640, 751616, 808960, 869790, 927776, 939520, 970752, 1127424, 1159720, 1213440, 1391664, 1409280, 1503232, 1617920, 1739580, 1855552, 1879040, 2254848, 2319440, 2426880, 2783328, 2818560, 3479160, 3711104, 3758080, 4509696, 4638880, 4853760, 5566656, 5637120, 6958320, 7422208, 7516160, 9277760, 11133312, 11274240, 13916640, 14844416, 18555520, 22266624, 22548480, 27833280, 29688832, 37111040, 44533248, 55666560, 59377664, 74222080, 89066496, 111333120, 118755328, 148444160, 178132992, 222666240, 296888320, 356265984, 445332480, 593776640, 890664960, 1781329920]

約数ペア:

[(1, 1781329920), (2, 890664960), (3, 593776640), (4, 445332480), (5, 356265984), (6, 296888320), (8, 222666240), (10, 178132992), (12, 148444160), (15, 118755328), (16, 111333120), (20, 89066496), (24, 74222080), (30, 59377664), (32, 55666560), (40, 44533248), (48, 37111040), (60, 29688832), (64, 27833280), (79, 22548480), (80, 22266624), (96, 18555520), (120, 14844416), (128, 13916640), (158, 11274240), (160, 11133312), (192, 9277760), (237, 7516160), (240, 7422208), (256, 6958320), (316, 5637120), (320, 5566656), (367, 4853760), (384, 4638880), (395, 4509696), (474, 3758080), (480, 3711104), (512, 3479160), (632, 2818560), (640, 2783328), (734, 2426880), (768, 2319440), (790, 2254848), (948, 1879040), (960, 1855552), (1024, 1739580), (1101, 1617920), (1185, 1503232), (1264, 1409280), (1280, 1391664), (1468, 1213440), (1536, 1159720), (1580, 1127424), (1835, 970752), (1896, 939520), (1920, 927776), (2048, 869790), (2202, 808960), (2370, 751616), (2528, 704640), (2560, 695832), (2936, 606720), (3072, 579860), (3160, 563712), (3670, 485376), (3792, 469760), (3840, 463888), (4096, 434895), (4404, 404480), (4740, 375808), (5056, 352320), (5120, 347916), (5505, 323584), (5872, 303360), (6144, 289930), (6320, 281856), (7340, 242688), (7584, 234880), (7680, 231944), (8808, 202240), (9480, 187904), (10112, 176160), (10240, 173958), (11010, 161792), (11744, 151680), (12288, 144965), (12640, 140928), (14680, 121344), (15168, 117440), (15360, 115972), (17616, 101120), (18960, 93952), (20224, 88080), (20480, 86979), (22020, 80896), (23488, 75840), (25280, 70464), (28993, 61440), (29360, 60672), (30336, 58720), (30720, 57986), (35232, 50560), (37920, 46976), (40448, 44040)]