81451008

素因数分解:

$2^{11}\times 3^4\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 243783540

約数和(自身を除く): 162332532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 491, 512, 576, 648, 768, 864, 982, 1024, 1152, 1296, 1473, 1536, 1728, 1964, 2048, 2304, 2592, 2946, 3072, 3456, 3928, 4419, 4608, 5184, 5892, 6144, 6912, 7856, 8838, 9216, 10368, 11784, 13257, 13824, 15712, 17676, 18432, 20736, 23568, 26514, 27648, 31424, 35352, 39771, 41472, 47136, 53028, 55296, 62848, 70704, 79542, 82944, 94272, 106056, 125696, 141408, 159084, 165888, 188544, 212112, 251392, 282816, 318168, 377088, 424224, 502784, 565632, 636336, 754176, 848448, 1005568, 1131264, 1272672, 1508352, 1696896, 2262528, 2545344, 3016704, 3393792, 4525056, 5090688, 6787584, 9050112, 10181376, 13575168, 20362752, 27150336, 40725504, 81451008]

約数ペア:

[(1, 81451008), (2, 40725504), (3, 27150336), (4, 20362752), (6, 13575168), (8, 10181376), (9, 9050112), (12, 6787584), (16, 5090688), (18, 4525056), (24, 3393792), (27, 3016704), (32, 2545344), (36, 2262528), (48, 1696896), (54, 1508352), (64, 1272672), (72, 1131264), (81, 1005568), (96, 848448), (108, 754176), (128, 636336), (144, 565632), (162, 502784), (192, 424224), (216, 377088), (256, 318168), (288, 282816), (324, 251392), (384, 212112), (432, 188544), (491, 165888), (512, 159084), (576, 141408), (648, 125696), (768, 106056), (864, 94272), (982, 82944), (1024, 79542), (1152, 70704), (1296, 62848), (1473, 55296), (1536, 53028), (1728, 47136), (1964, 41472), (2048, 39771), (2304, 35352), (2592, 31424), (2946, 27648), (3072, 26514), (3456, 23568), (3928, 20736), (4419, 18432), (4608, 17676), (5184, 15712), (5892, 13824), (6144, 13257), (6912, 11784), (7856, 10368), (8838, 9216)]