261442128

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3221}}^1$

素因数の和:3340

約数の個数: 80

約数和(自身を含む): 719150400

約数和(自身を除く): 457708272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 89, 114, 152, 178, 228, 267, 304, 356, 456, 534, 712, 912, 1068, 1424, 1691, 2136, 3221, 3382, 4272, 5073, 6442, 6764, 9663, 10146, 12884, 13528, 19326, 20292, 25768, 27056, 38652, 40584, 51536, 61199, 77304, 81168, 122398, 154608, 183597, 244796, 286669, 367194, 489592, 573338, 734388, 860007, 979184, 1146676, 1468776, 1720014, 2293352, 2937552, 3440028, 4586704, 5446711, 6880056, 10893422, 13760112, 16340133, 21786844, 32680266, 43573688, 65360532, 87147376, 130721064, 261442128]

約数ペア:

[(1, 261442128), (2, 130721064), (3, 87147376), (4, 65360532), (6, 43573688), (8, 32680266), (12, 21786844), (16, 16340133), (19, 13760112), (24, 10893422), (38, 6880056), (48, 5446711), (57, 4586704), (76, 3440028), (89, 2937552), (114, 2293352), (152, 1720014), (178, 1468776), (228, 1146676), (267, 979184), (304, 860007), (356, 734388), (456, 573338), (534, 489592), (712, 367194), (912, 286669), (1068, 244796), (1424, 183597), (1691, 154608), (2136, 122398), (3221, 81168), (3382, 77304), (4272, 61199), (5073, 51536), (6442, 40584), (6764, 38652), (9663, 27056), (10146, 25768), (12884, 20292), (13528, 19326)]