128715860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 335301120

約数和(自身を除く): 206585260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 197, 260, 359, 364, 394, 455, 718, 788, 910, 985, 1379, 1436, 1795, 1820, 1970, 2513, 2561, 2758, 3590, 3940, 4667, 5026, 5122, 5516, 6895, 7180, 9334, 10052, 10244, 12565, 12805, 13790, 17927, 18668, 23335, 25130, 25610, 27580, 32669, 35854, 46670, 50260, 51220, 65338, 70723, 71708, 89635, 93340, 130676, 141446, 163345, 179270, 282892, 326690, 353615, 358540, 495061, 653380, 707230, 919399, 990122, 1414460, 1838798, 1980244, 2475305, 3677596, 4596995, 4950610, 6435793, 9193990, 9901220, 12871586, 18387980, 25743172, 32178965, 64357930, 128715860]

約数ペア:

[(1, 128715860), (2, 64357930), (4, 32178965), (5, 25743172), (7, 18387980), (10, 12871586), (13, 9901220), (14, 9193990), (20, 6435793), (26, 4950610), (28, 4596995), (35, 3677596), (52, 2475305), (65, 1980244), (70, 1838798), (91, 1414460), (130, 990122), (140, 919399), (182, 707230), (197, 653380), (260, 495061), (359, 358540), (364, 353615), (394, 326690), (455, 282892), (718, 179270), (788, 163345), (910, 141446), (985, 130676), (1379, 93340), (1436, 89635), (1795, 71708), (1820, 70723), (1970, 65338), (2513, 51220), (2561, 50260), (2758, 46670), (3590, 35854), (3940, 32669), (4667, 27580), (5026, 25610), (5122, 25130), (5516, 23335), (6895, 18668), (7180, 17927), (9334, 13790), (10052, 12805), (10244, 12565)]