81354624

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 238761600

約数和(自身を除く): 157406976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 64, 78, 86, 96, 104, 128, 129, 156, 172, 192, 208, 258, 312, 344, 379, 384, 416, 516, 559, 624, 688, 758, 832, 1032, 1118, 1137, 1248, 1376, 1516, 1664, 1677, 2064, 2236, 2274, 2496, 2752, 3032, 3354, 4128, 4472, 4548, 4927, 4992, 5504, 6064, 6708, 8256, 8944, 9096, 9854, 12128, 13416, 14781, 16297, 16512, 17888, 18192, 19708, 24256, 26832, 29562, 32594, 35776, 36384, 39416, 48512, 48891, 53664, 59124, 65188, 71552, 72768, 78832, 97782, 107328, 118248, 130376, 145536, 157664, 195564, 211861, 214656, 236496, 260752, 315328, 391128, 423722, 472992, 521504, 630656, 635583, 782256, 847444, 945984, 1043008, 1271166, 1564512, 1694888, 1891968, 2086016, 2542332, 3129024, 3389776, 5084664, 6258048, 6779552, 10169328, 13559104, 20338656, 27118208, 40677312, 81354624]

約数ペア:

[(1, 81354624), (2, 40677312), (3, 27118208), (4, 20338656), (6, 13559104), (8, 10169328), (12, 6779552), (13, 6258048), (16, 5084664), (24, 3389776), (26, 3129024), (32, 2542332), (39, 2086016), (43, 1891968), (48, 1694888), (52, 1564512), (64, 1271166), (78, 1043008), (86, 945984), (96, 847444), (104, 782256), (128, 635583), (129, 630656), (156, 521504), (172, 472992), (192, 423722), (208, 391128), (258, 315328), (312, 260752), (344, 236496), (379, 214656), (384, 211861), (416, 195564), (516, 157664), (559, 145536), (624, 130376), (688, 118248), (758, 107328), (832, 97782), (1032, 78832), (1118, 72768), (1137, 71552), (1248, 65188), (1376, 59124), (1516, 53664), (1664, 48891), (1677, 48512), (2064, 39416), (2236, 36384), (2274, 35776), (2496, 32594), (2752, 29562), (3032, 26832), (3354, 24256), (4128, 19708), (4472, 18192), (4548, 17888), (4927, 16512), (4992, 16297), (5504, 14781), (6064, 13416), (6708, 12128), (8256, 9854), (8944, 9096)]