20347784640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{115823}}^1$

素因数の和:115907

約数の個数: 168

約数和(自身を含む): 71135857728

約数和(自身を除く): 50788073088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 192, 240, 244, 288, 305, 320, 360, 366, 480, 488, 549, 576, 610, 720, 732, 915, 960, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2880, 2928, 3660, 3904, 4392, 4880, 5490, 5856, 7320, 8784, 9760, 10980, 11712, 14640, 17568, 19520, 21960, 29280, 35136, 43920, 58560, 87840, 115823, 175680, 231646, 347469, 463292, 579115, 694938, 926584, 1042407, 1158230, 1389876, 1737345, 1853168, 2084814, 2316460, 2779752, 3474690, 3706336, 4169628, 4632920, 5212035, 5559504, 6949380, 7065203, 7412672, 8339256, 9265840, 10424070, 11119008, 13898760, 14130406, 16678512, 18531680, 20848140, 21195609, 22238016, 27797520, 28260812, 33357024, 35326015, 37063360, 41696280, 42391218, 55595040, 56521624, 63586827, 66714048, 70652030, 83392560, 84782436, 105978045, 111190080, 113043248, 127173654, 141304060, 166785120, 169564872, 211956090, 226086496, 254347308, 282608120, 317934135, 333570240, 339129744, 423912180, 452172992, 508694616, 565216240, 635868270, 678259488, 847824360, 1017389232, 1130432480, 1271736540, 1356518976, 1695648720, 2034778464, 2260864960, 2543473080, 3391297440, 4069556928, 5086946160, 6782594880, 10173892320, 20347784640]

約数ペア:

[(1, 20347784640), (2, 10173892320), (3, 6782594880), (4, 5086946160), (5, 4069556928), (6, 3391297440), (8, 2543473080), (9, 2260864960), (10, 2034778464), (12, 1695648720), (15, 1356518976), (16, 1271736540), (18, 1130432480), (20, 1017389232), (24, 847824360), (30, 678259488), (32, 635868270), (36, 565216240), (40, 508694616), (45, 452172992), (48, 423912180), (60, 339129744), (61, 333570240), (64, 317934135), (72, 282608120), (80, 254347308), (90, 226086496), (96, 211956090), (120, 169564872), (122, 166785120), (144, 141304060), (160, 127173654), (180, 113043248), (183, 111190080), (192, 105978045), (240, 84782436), (244, 83392560), (288, 70652030), (305, 66714048), (320, 63586827), (360, 56521624), (366, 55595040), (480, 42391218), (488, 41696280), (549, 37063360), (576, 35326015), (610, 33357024), (720, 28260812), (732, 27797520), (915, 22238016), (960, 21195609), (976, 20848140), (1098, 18531680), (1220, 16678512), (1440, 14130406), (1464, 13898760), (1830, 11119008), (1952, 10424070), (2196, 9265840), (2440, 8339256), (2745, 7412672), (2880, 7065203), (2928, 6949380), (3660, 5559504), (3904, 5212035), (4392, 4632920), (4880, 4169628), (5490, 3706336), (5856, 3474690), (7320, 2779752), (8784, 2316460), (9760, 2084814), (10980, 1853168), (11712, 1737345), (14640, 1389876), (17568, 1158230), (19520, 1042407), (21960, 926584), (29280, 694938), (35136, 579115), (43920, 463292), (58560, 347469), (87840, 231646), (115823, 175680)]