80961584

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 189987840

約数和(自身を除く): 109026256

約数列:

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

約数ペア:

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