161923168

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 386104320

約数和(自身を除く): 224181152

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 71, 76, 88, 121, 124, 142, 152, 176, 209, 242, 248, 284, 304, 341, 352, 418, 484, 496, 568, 589, 608, 682, 781, 836, 968, 992, 1136, 1178, 1349, 1364, 1562, 1672, 1936, 2201, 2272, 2299, 2356, 2698, 2728, 3124, 3344, 3751, 3872, 4402, 4598, 4712, 5396, 5456, 6248, 6479, 6688, 7502, 8591, 8804, 9196, 9424, 10792, 10912, 12496, 12958, 14839, 15004, 17182, 17608, 18392, 18848, 21584, 24211, 24992, 25916, 29678, 30008, 34364, 35216, 36784, 41819, 43168, 48422, 51832, 59356, 60016, 68728, 70432, 71269, 73568, 83638, 96844, 103664, 118712, 120032, 137456, 142538, 163229, 167276, 193688, 207328, 237424, 266321, 274912, 285076, 326458, 334552, 387376, 460009, 474848, 532642, 570152, 652916, 669104, 774752, 920018, 1065284, 1140304, 1305832, 1338208, 1840036, 2130568, 2280608, 2611664, 3680072, 4261136, 5060099, 5223328, 7360144, 8522272, 10120198, 14720288, 20240396, 40480792, 80961584, 161923168]

約数ペア:

[(1, 161923168), (2, 80961584), (4, 40480792), (8, 20240396), (11, 14720288), (16, 10120198), (19, 8522272), (22, 7360144), (31, 5223328), (32, 5060099), (38, 4261136), (44, 3680072), (62, 2611664), (71, 2280608), (76, 2130568), (88, 1840036), (121, 1338208), (124, 1305832), (142, 1140304), (152, 1065284), (176, 920018), (209, 774752), (242, 669104), (248, 652916), (284, 570152), (304, 532642), (341, 474848), (352, 460009), (418, 387376), (484, 334552), (496, 326458), (568, 285076), (589, 274912), (608, 266321), (682, 237424), (781, 207328), (836, 193688), (968, 167276), (992, 163229), (1136, 142538), (1178, 137456), (1349, 120032), (1364, 118712), (1562, 103664), (1672, 96844), (1936, 83638), (2201, 73568), (2272, 71269), (2299, 70432), (2356, 68728), (2698, 60016), (2728, 59356), (3124, 51832), (3344, 48422), (3751, 43168), (3872, 41819), (4402, 36784), (4598, 35216), (4712, 34364), (5396, 30008), (5456, 29678), (6248, 25916), (6479, 24992), (6688, 24211), (7502, 21584), (8591, 18848), (8804, 18392), (9196, 17608), (9424, 17182), (10792, 15004), (10912, 14839), (12496, 12958)]