1380330720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1559

約数の個数: 240

約数和(自身を含む): 4941533520

約数和(自身を除く): 3561202800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 73, 80, 81, 90, 96, 108, 120, 135, 144, 146, 160, 162, 180, 216, 219, 240, 270, 288, 292, 324, 360, 365, 405, 432, 438, 480, 540, 584, 648, 657, 720, 730, 810, 864, 876, 1080, 1095, 1168, 1296, 1314, 1440, 1459, 1460, 1620, 1752, 1971, 2160, 2190, 2336, 2592, 2628, 2918, 2920, 3240, 3285, 3504, 3942, 4320, 4377, 4380, 5256, 5836, 5840, 5913, 6480, 6570, 7008, 7295, 7884, 8754, 8760, 9855, 10512, 11672, 11680, 11826, 12960, 13131, 13140, 14590, 15768, 17508, 17520, 19710, 21024, 21885, 23344, 23652, 26262, 26280, 29180, 29565, 31536, 35016, 35040, 39393, 39420, 43770, 46688, 47304, 52524, 52560, 58360, 59130, 63072, 65655, 70032, 78786, 78840, 87540, 94608, 105048, 105120, 106507, 116720, 118179, 118260, 131310, 140064, 157572, 157680, 175080, 189216, 196965, 210096, 213014, 233440, 236358, 236520, 262620, 315144, 315360, 319521, 350160, 393930, 420192, 426028, 472716, 473040, 525240, 532535, 590895, 630288, 639042, 700320, 787860, 852056, 945432, 946080, 958563, 1050480, 1065070, 1181790, 1260576, 1278084, 1575720, 1597605, 1704112, 1890864, 1917126, 2100960, 2130140, 2363580, 2556168, 2875689, 3151440, 3195210, 3408224, 3781728, 3834252, 4260280, 4727160, 4792815, 5112336, 5751378, 6302880, 6390420, 7668504, 8520560, 8627067, 9454320, 9585630, 10224672, 11502756, 12780840, 14378445, 15337008, 17041120, 17254134, 18908640, 19171260, 23005512, 25561680, 28756890, 30674016, 34508268, 38342520, 43135335, 46011024, 51123360, 57513780, 69016536, 76685040, 86270670, 92022048, 115027560, 138033072, 153370080, 172541340, 230055120, 276066144, 345082680, 460110240, 690165360, 1380330720]

約数ペア:

[(1, 1380330720), (2, 690165360), (3, 460110240), (4, 345082680), (5, 276066144), (6, 230055120), (8, 172541340), (9, 153370080), (10, 138033072), (12, 115027560), (15, 92022048), (16, 86270670), (18, 76685040), (20, 69016536), (24, 57513780), (27, 51123360), (30, 46011024), (32, 43135335), (36, 38342520), (40, 34508268), (45, 30674016), (48, 28756890), (54, 25561680), (60, 23005512), (72, 19171260), (73, 18908640), (80, 17254134), (81, 17041120), (90, 15337008), (96, 14378445), (108, 12780840), (120, 11502756), (135, 10224672), (144, 9585630), (146, 9454320), (160, 8627067), (162, 8520560), (180, 7668504), (216, 6390420), (219, 6302880), (240, 5751378), (270, 5112336), (288, 4792815), (292, 4727160), (324, 4260280), (360, 3834252), (365, 3781728), (405, 3408224), (432, 3195210), (438, 3151440), (480, 2875689), (540, 2556168), (584, 2363580), (648, 2130140), (657, 2100960), (720, 1917126), (730, 1890864), (810, 1704112), (864, 1597605), (876, 1575720), (1080, 1278084), (1095, 1260576), (1168, 1181790), (1296, 1065070), (1314, 1050480), (1440, 958563), (1459, 946080), (1460, 945432), (1620, 852056), (1752, 787860), (1971, 700320), (2160, 639042), (2190, 630288), (2336, 590895), (2592, 532535), (2628, 525240), (2918, 473040), (2920, 472716), (3240, 426028), (3285, 420192), (3504, 393930), (3942, 350160), (4320, 319521), (4377, 315360), (4380, 315144), (5256, 262620), (5836, 236520), (5840, 236358), (5913, 233440), (6480, 213014), (6570, 210096), (7008, 196965), (7295, 189216), (7884, 175080), (8754, 157680), (8760, 157572), (9855, 140064), (10512, 131310), (11672, 118260), (11680, 118179), (11826, 116720), (12960, 106507), (13131, 105120), (13140, 105048), (14590, 94608), (15768, 87540), (17508, 78840), (17520, 78786), (19710, 70032), (21024, 65655), (21885, 63072), (23344, 59130), (23652, 58360), (26262, 52560), (26280, 52524), (29180, 47304), (29565, 46688), (31536, 43770), (35016, 39420), (35040, 39393)]