About the Number
221081280
2進数表記:1101001011010110111011000000
漢数字表記:二億二千百八万千二百八十
素因数分解:
素因数の和:391
約数の個数: 224
約数和(自身を含む): 811109376
約数和(自身を除く): 590028096
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, 140, 160, 167, 168, 192, 197, 210, 224, 240, 280, 320, 334, 336, 394, 420, 448, 480, 501, 560, 591, 668, 672, 788, 835, 840, 960, 985, 1002, 1120, 1169, 1182, 1336, 1344, 1379, 1576, 1670, 1680, 1970, 2004, 2240, 2338, 2364, 2505, 2672, 2758, 2955, 3152, 3340, 3360, 3507, 3940, 4008, 4137, 4676, 4728, 5010, 5344, 5516, 5845, 5910, 6304, 6680, 6720, 6895, 7014, 7880, 8016, 8274, 9352, 9456, 10020, 10688, 11032, 11690, 11820, 12608, 13360, 13790, 14028, 15760, 16032, 16548, 17535, 18704, 18912, 20040, 20685, 22064, 23380, 23640, 26720, 27580, 28056, 31520, 32064, 32899, 33096, 35070, 37408, 37824, 40080, 41370, 44128, 46760, 47280, 53440, 55160, 56112, 63040, 65798, 66192, 70140, 74816, 80160, 82740, 88256, 93520, 94560, 98697, 110320, 112224, 131596, 132384, 140280, 160320, 164495, 165480, 187040, 189120, 197394, 220640, 224448, 230293, 263192, 264768, 280560, 328990, 330960, 374080, 394788, 441280, 460586, 493485, 526384, 561120, 657980, 661920, 690879, 789576, 921172, 986970, 1052768, 1122240, 1151465, 1315960, 1323840, 1381758, 1579152, 1842344, 1973940, 2105536, 2302930, 2631920, 2763516, 3158304, 3454395, 3684688, 3947880, 4605860, 5263840, 5527032, 6316608, 6908790, 7369376, 7895760, 9211720, 10527680, 11054064, 13817580, 14738752, 15791520, 18423440, 22108128, 27635160, 31583040, 36846880, 44216256, 55270320, 73693760, 110540640, 221081280]
約数ペア:
[(1, 221081280), (2, 110540640), (3, 73693760), (4, 55270320), (5, 44216256), (6, 36846880), (7, 31583040), (8, 27635160), (10, 22108128), (12, 18423440), (14, 15791520), (15, 14738752), (16, 13817580), (20, 11054064), (21, 10527680), (24, 9211720), (28, 7895760), (30, 7369376), (32, 6908790), (35, 6316608), (40, 5527032), (42, 5263840), (48, 4605860), (56, 3947880), (60, 3684688), (64, 3454395), (70, 3158304), (80, 2763516), (84, 2631920), (96, 2302930), (105, 2105536), (112, 1973940), (120, 1842344), (140, 1579152), (160, 1381758), (167, 1323840), (168, 1315960), (192, 1151465), (197, 1122240), (210, 1052768), (224, 986970), (240, 921172), (280, 789576), (320, 690879), (334, 661920), (336, 657980), (394, 561120), (420, 526384), (448, 493485), (480, 460586), (501, 441280), (560, 394788), (591, 374080), (668, 330960), (672, 328990), (788, 280560), (835, 264768), (840, 263192), (960, 230293), (985, 224448), (1002, 220640), (1120, 197394), (1169, 189120), (1182, 187040), (1336, 165480), (1344, 164495), (1379, 160320), (1576, 140280), (1670, 132384), (1680, 131596), (1970, 112224), (2004, 110320), (2240, 98697), (2338, 94560), (2364, 93520), (2505, 88256), (2672, 82740), (2758, 80160), (2955, 74816), (3152, 70140), (3340, 66192), (3360, 65798), (3507, 63040), (3940, 56112), (4008, 55160), (4137, 53440), (4676, 47280), (4728, 46760), (5010, 44128), (5344, 41370), (5516, 40080), (5845, 37824), (5910, 37408), (6304, 35070), (6680, 33096), (6720, 32899), (6895, 32064), (7014, 31520), (7880, 28056), (8016, 27580), (8274, 26720), (9352, 23640), (9456, 23380), (10020, 22064), (10688, 20685), (11032, 20040), (11690, 18912), (11820, 18704), (12608, 17535), (13360, 16548), (13790, 16032), (14028, 15760)]このpageの処理時間: 0.006421089172363281 seconds