221123520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 280

約数和(自身を含む): 829818000

約数和(自身を除く): 608694480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 324, 342, 360, 380, 405, 432, 449, 456, 480, 513, 540, 570, 576, 608, 648, 684, 720, 760, 810, 855, 864, 898, 912, 960, 1026, 1080, 1140, 1216, 1296, 1347, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1796, 1824, 2052, 2160, 2245, 2280, 2565, 2592, 2694, 2736, 2880, 3040, 3078, 3240, 3420, 3592, 3648, 4041, 4104, 4320, 4490, 4560, 5130, 5184, 5388, 5472, 6080, 6156, 6480, 6735, 6840, 7184, 7695, 8082, 8208, 8531, 8640, 8980, 9120, 10260, 10776, 10944, 12123, 12312, 12960, 13470, 13680, 14368, 15390, 16164, 16416, 17062, 17960, 18240, 20205, 20520, 21552, 24246, 24624, 25593, 25920, 26940, 27360, 28736, 30780, 32328, 32832, 34124, 35920, 36369, 40410, 41040, 42655, 43104, 48492, 49248, 51186, 53880, 54720, 60615, 61560, 64656, 68248, 71840, 72738, 76779, 80820, 82080, 85310, 86208, 96984, 98496, 102372, 107760, 121230, 123120, 127965, 129312, 136496, 143680, 145476, 153558, 161640, 164160, 170620, 181845, 193968, 204744, 215520, 230337, 242460, 246240, 255930, 258624, 272992, 290952, 307116, 323280, 341240, 363690, 383895, 387936, 409488, 431040, 460674, 484920, 492480, 511860, 545984, 581904, 614232, 646560, 682480, 691011, 727380, 767790, 775872, 818976, 921348, 969840, 1023720, 1151685, 1163808, 1228464, 1293120, 1364960, 1382022, 1454760, 1535580, 1637952, 1842696, 1939680, 2047440, 2303370, 2327616, 2456928, 2729920, 2764044, 2909520, 3071160, 3455055, 3685392, 3879360, 4094880, 4606740, 4913856, 5528088, 5819040, 6142320, 6910110, 7370784, 8189760, 9213480, 11056176, 11638080, 12284640, 13820220, 14741568, 18426960, 22112352, 24569280, 27640440, 36853920, 44224704, 55280880, 73707840, 110561760, 221123520]

約数ペア:

[(1, 221123520), (2, 110561760), (3, 73707840), (4, 55280880), (5, 44224704), (6, 36853920), (8, 27640440), (9, 24569280), (10, 22112352), (12, 18426960), (15, 14741568), (16, 13820220), (18, 12284640), (19, 11638080), (20, 11056176), (24, 9213480), (27, 8189760), (30, 7370784), (32, 6910110), (36, 6142320), (38, 5819040), (40, 5528088), (45, 4913856), (48, 4606740), (54, 4094880), (57, 3879360), (60, 3685392), (64, 3455055), (72, 3071160), (76, 2909520), (80, 2764044), (81, 2729920), (90, 2456928), (95, 2327616), (96, 2303370), (108, 2047440), (114, 1939680), (120, 1842696), (135, 1637952), (144, 1535580), (152, 1454760), (160, 1382022), (162, 1364960), (171, 1293120), (180, 1228464), (190, 1163808), (192, 1151685), (216, 1023720), (228, 969840), (240, 921348), (270, 818976), (285, 775872), (288, 767790), (304, 727380), (320, 691011), (324, 682480), (342, 646560), (360, 614232), (380, 581904), (405, 545984), (432, 511860), (449, 492480), (456, 484920), (480, 460674), (513, 431040), (540, 409488), (570, 387936), (576, 383895), (608, 363690), (648, 341240), (684, 323280), (720, 307116), (760, 290952), (810, 272992), (855, 258624), (864, 255930), (898, 246240), (912, 242460), (960, 230337), (1026, 215520), (1080, 204744), (1140, 193968), (1216, 181845), (1296, 170620), (1347, 164160), (1368, 161640), (1440, 153558), (1520, 145476), (1539, 143680), (1620, 136496), (1710, 129312), (1728, 127965), (1796, 123120), (1824, 121230), (2052, 107760), (2160, 102372), (2245, 98496), (2280, 96984), (2565, 86208), (2592, 85310), (2694, 82080), (2736, 80820), (2880, 76779), (3040, 72738), (3078, 71840), (3240, 68248), (3420, 64656), (3592, 61560), (3648, 60615), (4041, 54720), (4104, 53880), (4320, 51186), (4490, 49248), (4560, 48492), (5130, 43104), (5184, 42655), (5388, 41040), (5472, 40410), (6080, 36369), (6156, 35920), (6480, 34124), (6735, 32832), (6840, 32328), (7184, 30780), (7695, 28736), (8082, 27360), (8208, 26940), (8531, 25920), (8640, 25593), (8980, 24624), (9120, 24246), (10260, 21552), (10776, 20520), (10944, 20205), (12123, 18240), (12312, 17960), (12960, 17062), (13470, 16416), (13680, 16164), (14368, 15390)]