80961728

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 56

約数和(自身を含む): 165811200

約数和(自身を除く): 84849472

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 79, 134, 158, 239, 268, 316, 478, 536, 632, 956, 1072, 1264, 1912, 2144, 2528, 3824, 4288, 5056, 5293, 7648, 10586, 15296, 16013, 18881, 21172, 32026, 37762, 42344, 64052, 75524, 84688, 128104, 151048, 169376, 256208, 302096, 338752, 512416, 604192, 1024832, 1208384, 1265027, 2530054, 5060108, 10120216, 20240432, 40480864, 80961728]

約数ペア:

[(1, 80961728), (2, 40480864), (4, 20240432), (8, 10120216), (16, 5060108), (32, 2530054), (64, 1265027), (67, 1208384), (79, 1024832), (134, 604192), (158, 512416), (239, 338752), (268, 302096), (316, 256208), (478, 169376), (536, 151048), (632, 128104), (956, 84688), (1072, 75524), (1264, 64052), (1912, 42344), (2144, 37762), (2528, 32026), (3824, 21172), (4288, 18881), (5056, 16013), (5293, 15296), (7648, 10586)]