81240732

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 231154560

約数和(自身を除く): 149913828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 53, 54, 57, 76, 81, 83, 106, 108, 114, 159, 162, 166, 171, 212, 228, 243, 249, 318, 324, 332, 342, 477, 486, 498, 513, 636, 684, 747, 954, 972, 996, 1007, 1026, 1431, 1494, 1539, 1577, 1908, 2014, 2052, 2241, 2862, 2988, 3021, 3078, 3154, 4028, 4293, 4399, 4482, 4617, 4731, 5724, 6042, 6156, 6308, 6723, 8586, 8798, 8964, 9063, 9234, 9462, 12084, 12879, 13197, 13446, 14193, 17172, 17596, 18126, 18468, 18924, 20169, 25758, 26394, 26892, 27189, 28386, 36252, 39591, 40338, 42579, 51516, 52788, 54378, 56772, 79182, 80676, 81567, 83581, 85158, 108756, 118773, 127737, 158364, 163134, 167162, 170316, 237546, 244701, 250743, 255474, 326268, 334324, 356319, 383211, 475092, 489402, 501486, 510948, 712638, 752229, 766422, 978804, 1002972, 1068957, 1425276, 1504458, 1532844, 2137914, 2256687, 3008916, 4275828, 4513374, 6770061, 9026748, 13540122, 20310183, 27080244, 40620366, 81240732]

約数ペア:

[(1, 81240732), (2, 40620366), (3, 27080244), (4, 20310183), (6, 13540122), (9, 9026748), (12, 6770061), (18, 4513374), (19, 4275828), (27, 3008916), (36, 2256687), (38, 2137914), (53, 1532844), (54, 1504458), (57, 1425276), (76, 1068957), (81, 1002972), (83, 978804), (106, 766422), (108, 752229), (114, 712638), (159, 510948), (162, 501486), (166, 489402), (171, 475092), (212, 383211), (228, 356319), (243, 334324), (249, 326268), (318, 255474), (324, 250743), (332, 244701), (342, 237546), (477, 170316), (486, 167162), (498, 163134), (513, 158364), (636, 127737), (684, 118773), (747, 108756), (954, 85158), (972, 83581), (996, 81567), (1007, 80676), (1026, 79182), (1431, 56772), (1494, 54378), (1539, 52788), (1577, 51516), (1908, 42579), (2014, 40338), (2052, 39591), (2241, 36252), (2862, 28386), (2988, 27189), (3021, 26892), (3078, 26394), (3154, 25758), (4028, 20169), (4293, 18924), (4399, 18468), (4482, 18126), (4617, 17596), (4731, 17172), (5724, 14193), (6042, 13446), (6156, 13197), (6308, 12879), (6723, 12084), (8586, 9462), (8798, 9234), (8964, 9063)]