990327480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 3020544000

約数和(自身を除く): 2030216520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 199, 226, 339, 367, 398, 452, 565, 597, 678, 734, 796, 904, 995, 1101, 1130, 1194, 1356, 1468, 1592, 1695, 1835, 1990, 2202, 2260, 2388, 2712, 2936, 2985, 3390, 3670, 3980, 4404, 4520, 4776, 5505, 5970, 6780, 7340, 7960, 8808, 11010, 11940, 13560, 14680, 22020, 22487, 23880, 41471, 44040, 44974, 67461, 73033, 82942, 89948, 112435, 124413, 134922, 146066, 165884, 179896, 207355, 219099, 224870, 248826, 269844, 292132, 331768, 337305, 365165, 414710, 438198, 449740, 497652, 539688, 584264, 622065, 674610, 730330, 829420, 876396, 899480, 995304, 1095495, 1244130, 1349220, 1460660, 1658840, 1752792, 2190990, 2488260, 2698440, 2921320, 4381980, 4976520, 8252729, 8763960, 16505458, 24758187, 33010916, 41263645, 49516374, 66021832, 82527290, 99032748, 123790935, 165054580, 198065496, 247581870, 330109160, 495163740, 990327480]

約数ペア:

[(1, 990327480), (2, 495163740), (3, 330109160), (4, 247581870), (5, 198065496), (6, 165054580), (8, 123790935), (10, 99032748), (12, 82527290), (15, 66021832), (20, 49516374), (24, 41263645), (30, 33010916), (40, 24758187), (60, 16505458), (113, 8763960), (120, 8252729), (199, 4976520), (226, 4381980), (339, 2921320), (367, 2698440), (398, 2488260), (452, 2190990), (565, 1752792), (597, 1658840), (678, 1460660), (734, 1349220), (796, 1244130), (904, 1095495), (995, 995304), (1101, 899480), (1130, 876396), (1194, 829420), (1356, 730330), (1468, 674610), (1592, 622065), (1695, 584264), (1835, 539688), (1990, 497652), (2202, 449740), (2260, 438198), (2388, 414710), (2712, 365165), (2936, 337305), (2985, 331768), (3390, 292132), (3670, 269844), (3980, 248826), (4404, 224870), (4520, 219099), (4776, 207355), (5505, 179896), (5970, 165884), (6780, 146066), (7340, 134922), (7960, 124413), (8808, 112435), (11010, 89948), (11940, 82942), (13560, 73033), (14680, 67461), (22020, 44974), (22487, 44040), (23880, 41471)]