81355008

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 254764160

約数和(自身を除く): 173409152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 74, 84, 96, 111, 112, 128, 148, 168, 192, 222, 224, 256, 259, 296, 336, 384, 409, 444, 448, 518, 592, 672, 768, 777, 818, 888, 896, 1036, 1184, 1227, 1344, 1554, 1636, 1776, 1792, 2072, 2368, 2454, 2688, 2863, 3108, 3272, 3552, 4144, 4736, 4908, 5376, 5726, 6216, 6544, 7104, 8288, 8589, 9472, 9816, 11452, 12432, 13088, 14208, 15133, 16576, 17178, 19632, 22904, 24864, 26176, 28416, 30266, 33152, 34356, 39264, 45399, 45808, 49728, 52352, 60532, 66304, 68712, 78528, 90798, 91616, 99456, 104704, 105931, 121064, 137424, 157056, 181596, 183232, 198912, 211862, 242128, 274848, 314112, 317793, 363192, 366464, 423724, 484256, 549696, 635586, 726384, 732928, 847448, 968512, 1099392, 1271172, 1452768, 1694896, 1937024, 2198784, 2542344, 2905536, 3389792, 3874048, 5084688, 5811072, 6779584, 10169376, 11622144, 13559168, 20338752, 27118336, 40677504, 81355008]

約数ペア:

[(1, 81355008), (2, 40677504), (3, 27118336), (4, 20338752), (6, 13559168), (7, 11622144), (8, 10169376), (12, 6779584), (14, 5811072), (16, 5084688), (21, 3874048), (24, 3389792), (28, 2905536), (32, 2542344), (37, 2198784), (42, 1937024), (48, 1694896), (56, 1452768), (64, 1271172), (74, 1099392), (84, 968512), (96, 847448), (111, 732928), (112, 726384), (128, 635586), (148, 549696), (168, 484256), (192, 423724), (222, 366464), (224, 363192), (256, 317793), (259, 314112), (296, 274848), (336, 242128), (384, 211862), (409, 198912), (444, 183232), (448, 181596), (518, 157056), (592, 137424), (672, 121064), (768, 105931), (777, 104704), (818, 99456), (888, 91616), (896, 90798), (1036, 78528), (1184, 68712), (1227, 66304), (1344, 60532), (1554, 52352), (1636, 49728), (1776, 45808), (1792, 45399), (2072, 39264), (2368, 34356), (2454, 33152), (2688, 30266), (2863, 28416), (3108, 26176), (3272, 24864), (3552, 22904), (4144, 19632), (4736, 17178), (4908, 16576), (5376, 15133), (5726, 14208), (6216, 13088), (6544, 12432), (7104, 11452), (8288, 9816), (8589, 9472)]