261666936

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 160

約数和(自身を含む): 788000400

約数和(自身を除く): 526333464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 53, 54, 57, 72, 76, 81, 106, 108, 114, 152, 159, 162, 171, 212, 216, 228, 318, 324, 342, 401, 424, 456, 477, 513, 636, 648, 684, 802, 954, 1007, 1026, 1203, 1272, 1368, 1431, 1539, 1604, 1908, 2014, 2052, 2406, 2862, 3021, 3078, 3208, 3609, 3816, 4028, 4104, 4293, 4812, 5724, 6042, 6156, 7218, 7619, 8056, 8586, 9063, 9624, 10827, 11448, 12084, 12312, 14436, 15238, 17172, 18126, 21253, 21654, 22857, 24168, 27189, 28872, 30476, 32481, 34344, 36252, 42506, 43308, 45714, 54378, 60952, 63759, 64962, 68571, 72504, 81567, 85012, 86616, 91428, 108756, 127518, 129924, 137142, 163134, 170024, 182856, 191277, 205713, 217512, 255036, 259848, 274284, 326268, 382554, 403807, 411426, 510072, 548568, 573831, 617139, 652536, 765108, 807614, 822852, 1147662, 1211421, 1234278, 1530216, 1615228, 1645704, 1721493, 2295324, 2422842, 2468556, 3230456, 3442986, 3634263, 4590648, 4845684, 4937112, 6885972, 7268526, 9691368, 10902789, 13771944, 14537052, 21805578, 29074104, 32708367, 43611156, 65416734, 87222312, 130833468, 261666936]

約数ペア:

[(1, 261666936), (2, 130833468), (3, 87222312), (4, 65416734), (6, 43611156), (8, 32708367), (9, 29074104), (12, 21805578), (18, 14537052), (19, 13771944), (24, 10902789), (27, 9691368), (36, 7268526), (38, 6885972), (53, 4937112), (54, 4845684), (57, 4590648), (72, 3634263), (76, 3442986), (81, 3230456), (106, 2468556), (108, 2422842), (114, 2295324), (152, 1721493), (159, 1645704), (162, 1615228), (171, 1530216), (212, 1234278), (216, 1211421), (228, 1147662), (318, 822852), (324, 807614), (342, 765108), (401, 652536), (424, 617139), (456, 573831), (477, 548568), (513, 510072), (636, 411426), (648, 403807), (684, 382554), (802, 326268), (954, 274284), (1007, 259848), (1026, 255036), (1203, 217512), (1272, 205713), (1368, 191277), (1431, 182856), (1539, 170024), (1604, 163134), (1908, 137142), (2014, 129924), (2052, 127518), (2406, 108756), (2862, 91428), (3021, 86616), (3078, 85012), (3208, 81567), (3609, 72504), (3816, 68571), (4028, 64962), (4104, 63759), (4293, 60952), (4812, 54378), (5724, 45714), (6042, 43308), (6156, 42506), (7218, 36252), (7619, 34344), (8056, 32481), (8586, 30476), (9063, 28872), (9624, 27189), (10827, 24168), (11448, 22857), (12084, 21654), (12312, 21253), (14436, 18126), (15238, 17172)]