221022720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 240

約数和(自身を含む): 784215432

約数和(自身を除く): 563192712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 181, 192, 212, 240, 256, 265, 288, 318, 320, 360, 362, 384, 424, 477, 480, 512, 530, 543, 576, 636, 640, 720, 724, 768, 795, 848, 905, 954, 960, 1060, 1086, 1152, 1272, 1280, 1440, 1448, 1536, 1590, 1629, 1696, 1810, 1908, 1920, 2120, 2172, 2304, 2385, 2544, 2560, 2715, 2880, 2896, 3180, 3258, 3392, 3620, 3816, 3840, 4240, 4344, 4608, 4770, 5088, 5430, 5760, 5792, 6360, 6516, 6784, 7240, 7632, 7680, 8145, 8480, 8688, 9540, 9593, 10176, 10860, 11520, 11584, 12720, 13032, 13568, 14480, 15264, 16290, 16960, 17376, 19080, 19186, 20352, 21720, 23040, 23168, 25440, 26064, 27136, 28779, 28960, 30528, 32580, 33920, 34752, 38160, 38372, 40704, 43440, 46336, 47965, 50880, 52128, 57558, 57920, 61056, 65160, 67840, 69504, 76320, 76744, 81408, 86337, 86880, 92672, 95930, 101760, 104256, 115116, 115840, 122112, 130320, 135680, 139008, 143895, 152640, 153488, 172674, 173760, 191860, 203520, 208512, 230232, 231680, 244224, 260640, 278016, 287790, 305280, 306976, 345348, 347520, 383720, 407040, 417024, 431685, 460464, 463360, 521280, 575580, 610560, 613952, 690696, 695040, 767440, 834048, 863370, 920928, 1042560, 1151160, 1221120, 1227904, 1381392, 1390080, 1534880, 1726740, 1841856, 2085120, 2302320, 2455808, 2762784, 3069760, 3453480, 3683712, 4170240, 4604640, 4911616, 5525568, 6139520, 6906960, 7367424, 9209280, 11051136, 12279040, 13813920, 14734848, 18418560, 22102272, 24558080, 27627840, 36837120, 44204544, 55255680, 73674240, 110511360, 221022720]

約数ペア:

[(1, 221022720), (2, 110511360), (3, 73674240), (4, 55255680), (5, 44204544), (6, 36837120), (8, 27627840), (9, 24558080), (10, 22102272), (12, 18418560), (15, 14734848), (16, 13813920), (18, 12279040), (20, 11051136), (24, 9209280), (30, 7367424), (32, 6906960), (36, 6139520), (40, 5525568), (45, 4911616), (48, 4604640), (53, 4170240), (60, 3683712), (64, 3453480), (72, 3069760), (80, 2762784), (90, 2455808), (96, 2302320), (106, 2085120), (120, 1841856), (128, 1726740), (144, 1534880), (159, 1390080), (160, 1381392), (180, 1227904), (181, 1221120), (192, 1151160), (212, 1042560), (240, 920928), (256, 863370), (265, 834048), (288, 767440), (318, 695040), (320, 690696), (360, 613952), (362, 610560), (384, 575580), (424, 521280), (477, 463360), (480, 460464), (512, 431685), (530, 417024), (543, 407040), (576, 383720), (636, 347520), (640, 345348), (720, 306976), (724, 305280), (768, 287790), (795, 278016), (848, 260640), (905, 244224), (954, 231680), (960, 230232), (1060, 208512), (1086, 203520), (1152, 191860), (1272, 173760), (1280, 172674), (1440, 153488), (1448, 152640), (1536, 143895), (1590, 139008), (1629, 135680), (1696, 130320), (1810, 122112), (1908, 115840), (1920, 115116), (2120, 104256), (2172, 101760), (2304, 95930), (2385, 92672), (2544, 86880), (2560, 86337), (2715, 81408), (2880, 76744), (2896, 76320), (3180, 69504), (3258, 67840), (3392, 65160), (3620, 61056), (3816, 57920), (3840, 57558), (4240, 52128), (4344, 50880), (4608, 47965), (4770, 46336), (5088, 43440), (5430, 40704), (5760, 38372), (5792, 38160), (6360, 34752), (6516, 33920), (6784, 32580), (7240, 30528), (7632, 28960), (7680, 28779), (8145, 27136), (8480, 26064), (8688, 25440), (9540, 23168), (9593, 23040), (10176, 21720), (10860, 20352), (11520, 19186), (11584, 19080), (12720, 17376), (13032, 16960), (13568, 16290), (14480, 15264)]