780021216

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1327}}^1$

素因数の和:1513

約数の個数: 144

約数和(自身を含む): 2405841984

約数和(自身を除く): 1625820768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 157, 208, 234, 288, 312, 314, 416, 468, 471, 624, 628, 936, 942, 1248, 1256, 1327, 1413, 1872, 1884, 2041, 2512, 2654, 2826, 3744, 3768, 3981, 4082, 5024, 5308, 5652, 6123, 7536, 7962, 8164, 10616, 11304, 11943, 12246, 15072, 15924, 16328, 17251, 18369, 21232, 22608, 23886, 24492, 31848, 32656, 34502, 36738, 42464, 45216, 47772, 48984, 51753, 63696, 65312, 69004, 73476, 95544, 97968, 103506, 127392, 138008, 146952, 155259, 191088, 195936, 207012, 208339, 276016, 293904, 310518, 382176, 414024, 416678, 552032, 587808, 621036, 625017, 828048, 833356, 1242072, 1250034, 1656096, 1666712, 1875051, 2484144, 2500068, 2708407, 3333424, 3750102, 4968288, 5000136, 5416814, 6666848, 7500204, 8125221, 10000272, 10833628, 15000408, 16250442, 20000544, 21667256, 24375663, 30000816, 32500884, 43334512, 48751326, 60001632, 65001768, 86669024, 97502652, 130003536, 195005304, 260007072, 390010608, 780021216]

約数ペア:

[(1, 780021216), (2, 390010608), (3, 260007072), (4, 195005304), (6, 130003536), (8, 97502652), (9, 86669024), (12, 65001768), (13, 60001632), (16, 48751326), (18, 43334512), (24, 32500884), (26, 30000816), (32, 24375663), (36, 21667256), (39, 20000544), (48, 16250442), (52, 15000408), (72, 10833628), (78, 10000272), (96, 8125221), (104, 7500204), (117, 6666848), (144, 5416814), (156, 5000136), (157, 4968288), (208, 3750102), (234, 3333424), (288, 2708407), (312, 2500068), (314, 2484144), (416, 1875051), (468, 1666712), (471, 1656096), (624, 1250034), (628, 1242072), (936, 833356), (942, 828048), (1248, 625017), (1256, 621036), (1327, 587808), (1413, 552032), (1872, 416678), (1884, 414024), (2041, 382176), (2512, 310518), (2654, 293904), (2826, 276016), (3744, 208339), (3768, 207012), (3981, 195936), (4082, 191088), (5024, 155259), (5308, 146952), (5652, 138008), (6123, 127392), (7536, 103506), (7962, 97968), (8164, 95544), (10616, 73476), (11304, 69004), (11943, 65312), (12246, 63696), (15072, 51753), (15924, 48984), (16328, 47772), (17251, 45216), (18369, 42464), (21232, 36738), (22608, 34502), (23886, 32656), (24492, 31848)]