221047680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{16447}}^1$

素因数の和:16476

約数の個数: 128

約数和(自身を含む): 805294080

約数和(自身を除く): 584246400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 16447, 32894, 49341, 65788, 82235, 98682, 115129, 131576, 164470, 197364, 230258, 246705, 263152, 328940, 345387, 394728, 460516, 493410, 526304, 575645, 657880, 690774, 789456, 921032, 986820, 1052608, 1151290, 1315760, 1381548, 1578912, 1726935, 1842064, 1973640, 2105216, 2302580, 2631520, 2763096, 3157824, 3453870, 3684128, 3947280, 4605160, 5263040, 5526192, 6315648, 6907740, 7368256, 7894560, 9210320, 10526080, 11052384, 13815480, 14736512, 15789120, 18420640, 22104768, 27630960, 31578240, 36841280, 44209536, 55261920, 73682560, 110523840, 221047680]

約数ペア:

[(1, 221047680), (2, 110523840), (3, 73682560), (4, 55261920), (5, 44209536), (6, 36841280), (7, 31578240), (8, 27630960), (10, 22104768), (12, 18420640), (14, 15789120), (15, 14736512), (16, 13815480), (20, 11052384), (21, 10526080), (24, 9210320), (28, 7894560), (30, 7368256), (32, 6907740), (35, 6315648), (40, 5526192), (42, 5263040), (48, 4605160), (56, 3947280), (60, 3684128), (64, 3453870), (70, 3157824), (80, 2763096), (84, 2631520), (96, 2302580), (105, 2105216), (112, 1973640), (120, 1842064), (128, 1726935), (140, 1578912), (160, 1381548), (168, 1315760), (192, 1151290), (210, 1052608), (224, 986820), (240, 921032), (280, 789456), (320, 690774), (336, 657880), (384, 575645), (420, 526304), (448, 493410), (480, 460516), (560, 394728), (640, 345387), (672, 328940), (840, 263152), (896, 246705), (960, 230258), (1120, 197364), (1344, 164470), (1680, 131576), (1920, 115129), (2240, 98682), (2688, 82235), (3360, 65788), (4480, 49341), (6720, 32894), (13440, 16447)]