81917424

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 120

約数和(自身を含む): 245765520

約数和(自身を除く): 163848096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 109, 136, 144, 153, 204, 218, 272, 306, 307, 327, 408, 436, 612, 614, 654, 816, 872, 921, 981, 1224, 1228, 1308, 1744, 1842, 1853, 1962, 2448, 2456, 2616, 2763, 3684, 3706, 3924, 4912, 5219, 5232, 5526, 5559, 7368, 7412, 7848, 10438, 11052, 11118, 14736, 14824, 15657, 15696, 16677, 20876, 22104, 22236, 29648, 31314, 33354, 33463, 41752, 44208, 44472, 46971, 62628, 66708, 66926, 83504, 88944, 93942, 100389, 125256, 133416, 133852, 187884, 200778, 250512, 266832, 267704, 301167, 375768, 401556, 535408, 568871, 602334, 751536, 803112, 1137742, 1204668, 1606224, 1706613, 2275484, 2409336, 3413226, 4550968, 4818672, 5119839, 6826452, 9101936, 10239678, 13652904, 20479356, 27305808, 40958712, 81917424]

約数ペア:

[(1, 81917424), (2, 40958712), (3, 27305808), (4, 20479356), (6, 13652904), (8, 10239678), (9, 9101936), (12, 6826452), (16, 5119839), (17, 4818672), (18, 4550968), (24, 3413226), (34, 2409336), (36, 2275484), (48, 1706613), (51, 1606224), (68, 1204668), (72, 1137742), (102, 803112), (109, 751536), (136, 602334), (144, 568871), (153, 535408), (204, 401556), (218, 375768), (272, 301167), (306, 267704), (307, 266832), (327, 250512), (408, 200778), (436, 187884), (612, 133852), (614, 133416), (654, 125256), (816, 100389), (872, 93942), (921, 88944), (981, 83504), (1224, 66926), (1228, 66708), (1308, 62628), (1744, 46971), (1842, 44472), (1853, 44208), (1962, 41752), (2448, 33463), (2456, 33354), (2616, 31314), (2763, 29648), (3684, 22236), (3706, 22104), (3924, 20876), (4912, 16677), (5219, 15696), (5232, 15657), (5526, 14824), (5559, 14736), (7368, 11118), (7412, 11052), (7848, 10438)]