205882240

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 322885760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 128, 136, 149, 160, 170, 254, 272, 298, 320, 340, 508, 544, 596, 635, 640, 680, 745, 1016, 1088, 1192, 1270, 1360, 1490, 2032, 2159, 2176, 2384, 2533, 2540, 2720, 2980, 4064, 4318, 4768, 5066, 5080, 5440, 5960, 8128, 8636, 9536, 10132, 10160, 10795, 10880, 11920, 12665, 16256, 17272, 18923, 19072, 20264, 20320, 21590, 23840, 25330, 34544, 37846, 40528, 40640, 43180, 47680, 50660, 69088, 75692, 81056, 81280, 86360, 94615, 95360, 101320, 138176, 151384, 162112, 172720, 189230, 202640, 276352, 302768, 321691, 324224, 345440, 378460, 405280, 605536, 643382, 690880, 756920, 810560, 1211072, 1286764, 1381760, 1513840, 1608455, 1621120, 2422144, 2573528, 3027680, 3216910, 5147056, 6055360, 6433820, 10294112, 12110720, 12867640, 20588224, 25735280, 41176448, 51470560, 102941120, 205882240]

約数ペア:

[(1, 205882240), (2, 102941120), (4, 51470560), (5, 41176448), (8, 25735280), (10, 20588224), (16, 12867640), (17, 12110720), (20, 10294112), (32, 6433820), (34, 6055360), (40, 5147056), (64, 3216910), (68, 3027680), (80, 2573528), (85, 2422144), (127, 1621120), (128, 1608455), (136, 1513840), (149, 1381760), (160, 1286764), (170, 1211072), (254, 810560), (272, 756920), (298, 690880), (320, 643382), (340, 605536), (508, 405280), (544, 378460), (596, 345440), (635, 324224), (640, 321691), (680, 302768), (745, 276352), (1016, 202640), (1088, 189230), (1192, 172720), (1270, 162112), (1360, 151384), (1490, 138176), (2032, 101320), (2159, 95360), (2176, 94615), (2384, 86360), (2533, 81280), (2540, 81056), (2720, 75692), (2980, 69088), (4064, 50660), (4318, 47680), (4768, 43180), (5066, 40640), (5080, 40528), (5440, 37846), (5960, 34544), (8128, 25330), (8636, 23840), (9536, 21590), (10132, 20320), (10160, 20264), (10795, 19072), (10880, 18923), (11920, 17272), (12665, 16256)]