256477776

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1223}}^1$

素因数の和:1508

約数の個数: 80

約数和(自身を含む): 704847744

約数和(自身を除く): 448369968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 257, 272, 408, 514, 771, 816, 1028, 1223, 1542, 2056, 2446, 3084, 3669, 4112, 4369, 4892, 6168, 7338, 8738, 9784, 12336, 13107, 14676, 17476, 19568, 20791, 26214, 29352, 34952, 41582, 52428, 58704, 62373, 69904, 83164, 104856, 124746, 166328, 209712, 249492, 314311, 332656, 498984, 628622, 942933, 997968, 1257244, 1885866, 2514488, 3771732, 5028976, 5343287, 7543464, 10686574, 15086928, 16029861, 21373148, 32059722, 42746296, 64119444, 85492592, 128238888, 256477776]

約数ペア:

[(1, 256477776), (2, 128238888), (3, 85492592), (4, 64119444), (6, 42746296), (8, 32059722), (12, 21373148), (16, 16029861), (17, 15086928), (24, 10686574), (34, 7543464), (48, 5343287), (51, 5028976), (68, 3771732), (102, 2514488), (136, 1885866), (204, 1257244), (257, 997968), (272, 942933), (408, 628622), (514, 498984), (771, 332656), (816, 314311), (1028, 249492), (1223, 209712), (1542, 166328), (2056, 124746), (2446, 104856), (3084, 83164), (3669, 69904), (4112, 62373), (4369, 58704), (4892, 52428), (6168, 41582), (7338, 34952), (8738, 29352), (9784, 26214), (12336, 20791), (13107, 19568), (14676, 17476)]