9990471680

素因数分解:

$2^{15}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 256

約数和(自身を含む): 28386616320

約数和(自身を除く): 18396144640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 281, 310, 320, 434, 448, 496, 512, 560, 562, 620, 640, 868, 896, 992, 1024, 1085, 1120, 1124, 1240, 1280, 1405, 1736, 1792, 1967, 1984, 2048, 2170, 2240, 2248, 2480, 2560, 2810, 3472, 3584, 3934, 3968, 4096, 4340, 4480, 4496, 4960, 5120, 5620, 6944, 7168, 7868, 7936, 8192, 8680, 8711, 8960, 8992, 9835, 9920, 10240, 11240, 13888, 14336, 15736, 15872, 16384, 17360, 17422, 17920, 17984, 19670, 19840, 20480, 22480, 27776, 28672, 31472, 31744, 32768, 34720, 34844, 35840, 35968, 39340, 39680, 40960, 43555, 44960, 55552, 57344, 60977, 62944, 63488, 69440, 69688, 71680, 71936, 78680, 79360, 81920, 87110, 89920, 111104, 114688, 121954, 125888, 126976, 138880, 139376, 143360, 143872, 157360, 158720, 163840, 174220, 179840, 222208, 229376, 243908, 251776, 253952, 277760, 278752, 286720, 287744, 304885, 314720, 317440, 348440, 359680, 444416, 487816, 503552, 507904, 555520, 557504, 573440, 575488, 609770, 629440, 634880, 696880, 719360, 888832, 975632, 1007104, 1015808, 1111040, 1115008, 1146880, 1150976, 1219540, 1258880, 1269760, 1393760, 1438720, 1777664, 1951264, 2014208, 2222080, 2230016, 2301952, 2439080, 2517760, 2539520, 2787520, 2877440, 3555328, 3902528, 4028416, 4444160, 4460032, 4603904, 4878160, 5035520, 5079040, 5575040, 5754880, 7110656, 7805056, 8056832, 8888320, 8920064, 9207808, 9756320, 10071040, 11150080, 11509760, 15610112, 16113664, 17776640, 17840128, 19512640, 20142080, 22300160, 23019520, 31220224, 32227328, 35553280, 35680256, 39025280, 40284160, 44600320, 46039040, 62440448, 64454656, 71360512, 78050560, 80568320, 89200640, 124880896, 142721024, 156101120, 161136640, 178401280, 249761792, 285442048, 312202240, 322273280, 356802560, 499523584, 624404480, 713605120, 999047168, 1248808960, 1427210240, 1998094336, 2497617920, 4995235840, 9990471680]

約数ペア:

[(1, 9990471680), (2, 4995235840), (4, 2497617920), (5, 1998094336), (7, 1427210240), (8, 1248808960), (10, 999047168), (14, 713605120), (16, 624404480), (20, 499523584), (28, 356802560), (31, 322273280), (32, 312202240), (35, 285442048), (40, 249761792), (56, 178401280), (62, 161136640), (64, 156101120), (70, 142721024), (80, 124880896), (112, 89200640), (124, 80568320), (128, 78050560), (140, 71360512), (155, 64454656), (160, 62440448), (217, 46039040), (224, 44600320), (248, 40284160), (256, 39025280), (280, 35680256), (281, 35553280), (310, 32227328), (320, 31220224), (434, 23019520), (448, 22300160), (496, 20142080), (512, 19512640), (560, 17840128), (562, 17776640), (620, 16113664), (640, 15610112), (868, 11509760), (896, 11150080), (992, 10071040), (1024, 9756320), (1085, 9207808), (1120, 8920064), (1124, 8888320), (1240, 8056832), (1280, 7805056), (1405, 7110656), (1736, 5754880), (1792, 5575040), (1967, 5079040), (1984, 5035520), (2048, 4878160), (2170, 4603904), (2240, 4460032), (2248, 4444160), (2480, 4028416), (2560, 3902528), (2810, 3555328), (3472, 2877440), (3584, 2787520), (3934, 2539520), (3968, 2517760), (4096, 2439080), (4340, 2301952), (4480, 2230016), (4496, 2222080), (4960, 2014208), (5120, 1951264), (5620, 1777664), (6944, 1438720), (7168, 1393760), (7868, 1269760), (7936, 1258880), (8192, 1219540), (8680, 1150976), (8711, 1146880), (8960, 1115008), (8992, 1111040), (9835, 1015808), (9920, 1007104), (10240, 975632), (11240, 888832), (13888, 719360), (14336, 696880), (15736, 634880), (15872, 629440), (16384, 609770), (17360, 575488), (17422, 573440), (17920, 557504), (17984, 555520), (19670, 507904), (19840, 503552), (20480, 487816), (22480, 444416), (27776, 359680), (28672, 348440), (31472, 317440), (31744, 314720), (32768, 304885), (34720, 287744), (34844, 286720), (35840, 278752), (35968, 277760), (39340, 253952), (39680, 251776), (40960, 243908), (43555, 229376), (44960, 222208), (55552, 179840), (57344, 174220), (60977, 163840), (62944, 158720), (63488, 157360), (69440, 143872), (69688, 143360), (71680, 139376), (71936, 138880), (78680, 126976), (79360, 125888), (81920, 121954), (87110, 114688), (89920, 111104)]