261712944

素因数分解:

$2^4\times 3^5\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:917

約数の個数: 120

約数和(自身を含む): 769659072

約数和(自身を除く): 507946128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 83, 108, 144, 162, 166, 216, 243, 249, 324, 332, 432, 486, 498, 648, 664, 747, 811, 972, 996, 1296, 1328, 1494, 1622, 1944, 1992, 2241, 2433, 2988, 3244, 3888, 3984, 4482, 4866, 5976, 6488, 6723, 7299, 8964, 9732, 11952, 12976, 13446, 14598, 17928, 19464, 20169, 21897, 26892, 29196, 35856, 38928, 40338, 43794, 53784, 58392, 65691, 67313, 80676, 87588, 107568, 116784, 131382, 134626, 161352, 175176, 197073, 201939, 262764, 269252, 322704, 350352, 394146, 403878, 525528, 538504, 605817, 788292, 807756, 1051056, 1077008, 1211634, 1576584, 1615512, 1817451, 2423268, 3153168, 3231024, 3634902, 4846536, 5452353, 7269804, 9693072, 10904706, 14539608, 16357059, 21809412, 29079216, 32714118, 43618824, 65428236, 87237648, 130856472, 261712944]

約数ペア:

[(1, 261712944), (2, 130856472), (3, 87237648), (4, 65428236), (6, 43618824), (8, 32714118), (9, 29079216), (12, 21809412), (16, 16357059), (18, 14539608), (24, 10904706), (27, 9693072), (36, 7269804), (48, 5452353), (54, 4846536), (72, 3634902), (81, 3231024), (83, 3153168), (108, 2423268), (144, 1817451), (162, 1615512), (166, 1576584), (216, 1211634), (243, 1077008), (249, 1051056), (324, 807756), (332, 788292), (432, 605817), (486, 538504), (498, 525528), (648, 403878), (664, 394146), (747, 350352), (811, 322704), (972, 269252), (996, 262764), (1296, 201939), (1328, 197073), (1494, 175176), (1622, 161352), (1944, 134626), (1992, 131382), (2241, 116784), (2433, 107568), (2988, 87588), (3244, 80676), (3888, 67313), (3984, 65691), (4482, 58392), (4866, 53784), (5976, 43794), (6488, 40338), (6723, 38928), (7299, 35856), (8964, 29196), (9732, 26892), (11952, 21897), (12976, 20169), (13446, 19464), (14598, 17928)]