71720928

素因数分解:

$2^5\times 3^2\times {\mathrm{131}}^1\times {\mathrm{1901}}^1$

素因数の和:2048

約数の個数: 72

約数和(自身を含む): 205621416

約数和(自身を除く): 133900488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 131, 144, 262, 288, 393, 524, 786, 1048, 1179, 1572, 1901, 2096, 2358, 3144, 3802, 4192, 4716, 5703, 6288, 7604, 9432, 11406, 12576, 15208, 17109, 18864, 22812, 30416, 34218, 37728, 45624, 60832, 68436, 91248, 136872, 182496, 249031, 273744, 498062, 547488, 747093, 996124, 1494186, 1992248, 2241279, 2988372, 3984496, 4482558, 5976744, 7968992, 8965116, 11953488, 17930232, 23906976, 35860464, 71720928]

約数ペア:

[(1, 71720928), (2, 35860464), (3, 23906976), (4, 17930232), (6, 11953488), (8, 8965116), (9, 7968992), (12, 5976744), (16, 4482558), (18, 3984496), (24, 2988372), (32, 2241279), (36, 1992248), (48, 1494186), (72, 996124), (96, 747093), (131, 547488), (144, 498062), (262, 273744), (288, 249031), (393, 182496), (524, 136872), (786, 91248), (1048, 68436), (1179, 60832), (1572, 45624), (1901, 37728), (2096, 34218), (2358, 30416), (3144, 22812), (3802, 18864), (4192, 17109), (4716, 15208), (5703, 12576), (6288, 11406), (7604, 9432)]