1520161920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 288

約数和(自身を含む): 5414734260

約数和(自身を除く): 3894572340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 157, 160, 164, 180, 192, 205, 240, 246, 288, 314, 320, 328, 360, 369, 384, 410, 471, 480, 492, 576, 615, 628, 640, 656, 720, 738, 785, 820, 942, 960, 984, 1152, 1230, 1256, 1312, 1413, 1440, 1476, 1570, 1640, 1681, 1845, 1884, 1920, 1968, 2355, 2460, 2512, 2624, 2826, 2880, 2952, 3140, 3280, 3362, 3690, 3768, 3936, 4710, 4920, 5024, 5043, 5248, 5652, 5760, 5904, 6280, 6437, 6560, 6724, 7065, 7380, 7536, 7872, 8405, 9420, 9840, 10048, 10086, 11304, 11808, 12560, 12874, 13120, 13448, 14130, 14760, 15072, 15129, 15744, 16810, 18840, 19311, 19680, 20096, 20172, 22608, 23616, 25120, 25215, 25748, 26240, 26896, 28260, 29520, 30144, 30258, 32185, 33620, 37680, 38622, 39360, 40344, 45216, 47232, 50240, 50430, 51496, 53792, 56520, 57933, 59040, 60288, 60516, 64370, 67240, 75360, 75645, 77244, 78720, 80688, 90432, 96555, 100480, 100860, 102992, 107584, 113040, 115866, 118080, 121032, 128740, 134480, 150720, 151290, 154488, 161376, 180864, 193110, 201720, 205984, 215168, 226080, 231732, 236160, 242064, 257480, 263917, 268960, 289665, 301440, 302580, 308976, 322752, 386220, 403440, 411968, 452160, 463464, 484128, 514960, 527834, 537920, 579330, 605160, 617952, 645504, 772440, 791751, 806880, 823936, 904320, 926928, 968256, 1029920, 1055668, 1075840, 1158660, 1210320, 1235904, 1319585, 1544880, 1583502, 1613760, 1853856, 1936512, 2059840, 2111336, 2317320, 2375253, 2420640, 2471808, 2639170, 3089760, 3167004, 3227520, 3707712, 3958755, 4119680, 4222672, 4634640, 4750506, 4841280, 5278340, 6179520, 6334008, 7415424, 7917510, 8445344, 9269280, 9501012, 9682560, 10556680, 11876265, 12359040, 12668016, 15835020, 16890688, 18538560, 19002024, 21113360, 23752530, 25336032, 31670040, 33781376, 37077120, 38004048, 42226720, 47505060, 50672064, 63340080, 76008096, 84453440, 95010120, 101344128, 126680160, 152016192, 168906880, 190020240, 253360320, 304032384, 380040480, 506720640, 760080960, 1520161920]

約数ペア:

[(1, 1520161920), (2, 760080960), (3, 506720640), (4, 380040480), (5, 304032384), (6, 253360320), (8, 190020240), (9, 168906880), (10, 152016192), (12, 126680160), (15, 101344128), (16, 95010120), (18, 84453440), (20, 76008096), (24, 63340080), (30, 50672064), (32, 47505060), (36, 42226720), (40, 38004048), (41, 37077120), (45, 33781376), (48, 31670040), (60, 25336032), (64, 23752530), (72, 21113360), (80, 19002024), (82, 18538560), (90, 16890688), (96, 15835020), (120, 12668016), (123, 12359040), (128, 11876265), (144, 10556680), (157, 9682560), (160, 9501012), (164, 9269280), (180, 8445344), (192, 7917510), (205, 7415424), (240, 6334008), (246, 6179520), (288, 5278340), (314, 4841280), (320, 4750506), (328, 4634640), (360, 4222672), (369, 4119680), (384, 3958755), (410, 3707712), (471, 3227520), (480, 3167004), (492, 3089760), (576, 2639170), (615, 2471808), (628, 2420640), (640, 2375253), (656, 2317320), (720, 2111336), (738, 2059840), (785, 1936512), (820, 1853856), (942, 1613760), (960, 1583502), (984, 1544880), (1152, 1319585), (1230, 1235904), (1256, 1210320), (1312, 1158660), (1413, 1075840), (1440, 1055668), (1476, 1029920), (1570, 968256), (1640, 926928), (1681, 904320), (1845, 823936), (1884, 806880), (1920, 791751), (1968, 772440), (2355, 645504), (2460, 617952), (2512, 605160), (2624, 579330), (2826, 537920), (2880, 527834), (2952, 514960), (3140, 484128), (3280, 463464), (3362, 452160), (3690, 411968), (3768, 403440), (3936, 386220), (4710, 322752), (4920, 308976), (5024, 302580), (5043, 301440), (5248, 289665), (5652, 268960), (5760, 263917), (5904, 257480), (6280, 242064), (6437, 236160), (6560, 231732), (6724, 226080), (7065, 215168), (7380, 205984), (7536, 201720), (7872, 193110), (8405, 180864), (9420, 161376), (9840, 154488), (10048, 151290), (10086, 150720), (11304, 134480), (11808, 128740), (12560, 121032), (12874, 118080), (13120, 115866), (13448, 113040), (14130, 107584), (14760, 102992), (15072, 100860), (15129, 100480), (15744, 96555), (16810, 90432), (18840, 80688), (19311, 78720), (19680, 77244), (20096, 75645), (20172, 75360), (22608, 67240), (23616, 64370), (25120, 60516), (25215, 60288), (25748, 59040), (26240, 57933), (26896, 56520), (28260, 53792), (29520, 51496), (30144, 50430), (30258, 50240), (32185, 47232), (33620, 45216), (37680, 40344), (38622, 39360)]