145287440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 359856432

約数和(自身を除く): 214568992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 317, 337, 340, 634, 674, 680, 1268, 1348, 1360, 1585, 1685, 2536, 2696, 3170, 3370, 5072, 5389, 5392, 5729, 6340, 6740, 10778, 11458, 12680, 13480, 21556, 22916, 25360, 26945, 26960, 28645, 43112, 45832, 53890, 57290, 86224, 91664, 106829, 107780, 114580, 213658, 215560, 229160, 427316, 431120, 458320, 534145, 854632, 1068290, 1709264, 1816093, 2136580, 3632186, 4273160, 7264372, 8546320, 9080465, 14528744, 18160930, 29057488, 36321860, 72643720, 145287440]

約数ペア:

[(1, 145287440), (2, 72643720), (4, 36321860), (5, 29057488), (8, 18160930), (10, 14528744), (16, 9080465), (17, 8546320), (20, 7264372), (34, 4273160), (40, 3632186), (68, 2136580), (80, 1816093), (85, 1709264), (136, 1068290), (170, 854632), (272, 534145), (317, 458320), (337, 431120), (340, 427316), (634, 229160), (674, 215560), (680, 213658), (1268, 114580), (1348, 107780), (1360, 106829), (1585, 91664), (1685, 86224), (2536, 57290), (2696, 53890), (3170, 45832), (3370, 43112), (5072, 28645), (5389, 26960), (5392, 26945), (5729, 25360), (6340, 22916), (6740, 21556), (10778, 13480), (11458, 12680)]