21569280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 71082144

約数和(自身を除く): 49512864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 137, 160, 164, 192, 205, 240, 246, 256, 274, 320, 328, 384, 410, 411, 480, 492, 548, 615, 640, 656, 685, 768, 820, 822, 960, 984, 1096, 1230, 1280, 1312, 1370, 1640, 1644, 1920, 1968, 2055, 2192, 2460, 2624, 2740, 3280, 3288, 3840, 3936, 4110, 4384, 4920, 5248, 5480, 5617, 6560, 6576, 7872, 8220, 8768, 9840, 10496, 10960, 11234, 13120, 13152, 15744, 16440, 16851, 17536, 19680, 21920, 22468, 26240, 26304, 28085, 31488, 32880, 33702, 35072, 39360, 43840, 44936, 52480, 52608, 56170, 65760, 67404, 78720, 84255, 87680, 89872, 105216, 112340, 131520, 134808, 157440, 168510, 175360, 179744, 224680, 263040, 269616, 337020, 359488, 449360, 526080, 539232, 674040, 718976, 898720, 1078464, 1348080, 1437952, 1797440, 2156928, 2696160, 3594880, 4313856, 5392320, 7189760, 10784640, 21569280]

約数ペア:

[(1, 21569280), (2, 10784640), (3, 7189760), (4, 5392320), (5, 4313856), (6, 3594880), (8, 2696160), (10, 2156928), (12, 1797440), (15, 1437952), (16, 1348080), (20, 1078464), (24, 898720), (30, 718976), (32, 674040), (40, 539232), (41, 526080), (48, 449360), (60, 359488), (64, 337020), (80, 269616), (82, 263040), (96, 224680), (120, 179744), (123, 175360), (128, 168510), (137, 157440), (160, 134808), (164, 131520), (192, 112340), (205, 105216), (240, 89872), (246, 87680), (256, 84255), (274, 78720), (320, 67404), (328, 65760), (384, 56170), (410, 52608), (411, 52480), (480, 44936), (492, 43840), (548, 39360), (615, 35072), (640, 33702), (656, 32880), (685, 31488), (768, 28085), (820, 26304), (822, 26240), (960, 22468), (984, 21920), (1096, 19680), (1230, 17536), (1280, 16851), (1312, 16440), (1370, 15744), (1640, 13152), (1644, 13120), (1920, 11234), (1968, 10960), (2055, 10496), (2192, 9840), (2460, 8768), (2624, 8220), (2740, 7872), (3280, 6576), (3288, 6560), (3840, 5617), (3936, 5480), (4110, 5248), (4384, 4920)]