163337720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:2005

約数の個数: 128

約数和(自身を含む): 472227840

約数和(自身を除く): 308890120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 1951, 2093, 2392, 2990, 3220, 3640, 3902, 4186, 5980, 6440, 7804, 8372, 9755, 10465, 11960, 13657, 15608, 16744, 19510, 20930, 25363, 27314, 39020, 41860, 44873, 50726, 54628, 68285, 78040, 83720, 89746, 101452, 109256, 126815, 136570, 177541, 179492, 202904, 224365, 253630, 273140, 314111, 355082, 358984, 448730, 507260, 546280, 583349, 628222, 710164, 887705, 897460, 1014520, 1166698, 1256444, 1420328, 1570555, 1775410, 1794920, 2333396, 2512888, 2916745, 3141110, 3550820, 4083443, 4666792, 5833490, 6282220, 7101640, 8166886, 11666980, 12564440, 16333772, 20417215, 23333960, 32667544, 40834430, 81668860, 163337720]

約数ペア:

[(1, 163337720), (2, 81668860), (4, 40834430), (5, 32667544), (7, 23333960), (8, 20417215), (10, 16333772), (13, 12564440), (14, 11666980), (20, 8166886), (23, 7101640), (26, 6282220), (28, 5833490), (35, 4666792), (40, 4083443), (46, 3550820), (52, 3141110), (56, 2916745), (65, 2512888), (70, 2333396), (91, 1794920), (92, 1775410), (104, 1570555), (115, 1420328), (130, 1256444), (140, 1166698), (161, 1014520), (182, 897460), (184, 887705), (230, 710164), (260, 628222), (280, 583349), (299, 546280), (322, 507260), (364, 448730), (455, 358984), (460, 355082), (520, 314111), (598, 273140), (644, 253630), (728, 224365), (805, 202904), (910, 179492), (920, 177541), (1196, 136570), (1288, 126815), (1495, 109256), (1610, 101452), (1820, 89746), (1951, 83720), (2093, 78040), (2392, 68285), (2990, 54628), (3220, 50726), (3640, 44873), (3902, 41860), (4186, 39020), (5980, 27314), (6440, 25363), (7804, 20930), (8372, 19510), (9755, 16744), (10465, 15608), (11960, 13657)]