728078120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2437}}^1$

素因数の和:2563

約数の個数: 128

約数和(自身を含む): 2064303360

約数和(自身を除く): 1336225240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 97, 110, 140, 154, 194, 220, 280, 308, 385, 388, 440, 485, 616, 679, 770, 776, 970, 1067, 1358, 1540, 1940, 2134, 2437, 2716, 3080, 3395, 3880, 4268, 4874, 5335, 5432, 6790, 7469, 8536, 9748, 10670, 12185, 13580, 14938, 17059, 19496, 21340, 24370, 26807, 27160, 29876, 34118, 37345, 42680, 48740, 53614, 59752, 68236, 74690, 85295, 97480, 107228, 134035, 136472, 149380, 170590, 187649, 214456, 236389, 268070, 298760, 341180, 375298, 472778, 536140, 682360, 750596, 938245, 945556, 1072280, 1181945, 1501192, 1654723, 1876490, 1891112, 2363890, 2600279, 3309446, 3752980, 4727780, 5200558, 6618892, 7505960, 8273615, 9455560, 10401116, 13001395, 13237784, 16547230, 18201953, 20802232, 26002790, 33094460, 36403906, 52005580, 66188920, 72807812, 91009765, 104011160, 145615624, 182019530, 364039060, 728078120]

約数ペア:

[(1, 728078120), (2, 364039060), (4, 182019530), (5, 145615624), (7, 104011160), (8, 91009765), (10, 72807812), (11, 66188920), (14, 52005580), (20, 36403906), (22, 33094460), (28, 26002790), (35, 20802232), (40, 18201953), (44, 16547230), (55, 13237784), (56, 13001395), (70, 10401116), (77, 9455560), (88, 8273615), (97, 7505960), (110, 6618892), (140, 5200558), (154, 4727780), (194, 3752980), (220, 3309446), (280, 2600279), (308, 2363890), (385, 1891112), (388, 1876490), (440, 1654723), (485, 1501192), (616, 1181945), (679, 1072280), (770, 945556), (776, 938245), (970, 750596), (1067, 682360), (1358, 536140), (1540, 472778), (1940, 375298), (2134, 341180), (2437, 298760), (2716, 268070), (3080, 236389), (3395, 214456), (3880, 187649), (4268, 170590), (4874, 149380), (5335, 136472), (5432, 134035), (6790, 107228), (7469, 97480), (8536, 85295), (9748, 74690), (10670, 68236), (12185, 59752), (13580, 53614), (14938, 48740), (17059, 42680), (19496, 37345), (21340, 34118), (24370, 29876), (26807, 27160)]