81152928

素因数分解:

$2^5\times 3^4\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 120

約数和(自身を含む): 241496640

約数和(自身を除く): 160343712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 131, 144, 162, 216, 239, 262, 288, 324, 393, 432, 478, 524, 648, 717, 786, 864, 956, 1048, 1179, 1296, 1434, 1572, 1912, 2096, 2151, 2358, 2592, 2868, 3144, 3537, 3824, 4192, 4302, 4716, 5736, 6288, 6453, 7074, 7648, 8604, 9432, 10611, 11472, 12576, 12906, 14148, 17208, 18864, 19359, 21222, 22944, 25812, 28296, 31309, 34416, 37728, 38718, 42444, 51624, 56592, 62618, 68832, 77436, 84888, 93927, 103248, 113184, 125236, 154872, 169776, 187854, 206496, 250472, 281781, 309744, 339552, 375708, 500944, 563562, 619488, 751416, 845343, 1001888, 1127124, 1502832, 1690686, 2254248, 2536029, 3005664, 3381372, 4508496, 5072058, 6762744, 9016992, 10144116, 13525488, 20288232, 27050976, 40576464, 81152928]

約数ペア:

[(1, 81152928), (2, 40576464), (3, 27050976), (4, 20288232), (6, 13525488), (8, 10144116), (9, 9016992), (12, 6762744), (16, 5072058), (18, 4508496), (24, 3381372), (27, 3005664), (32, 2536029), (36, 2254248), (48, 1690686), (54, 1502832), (72, 1127124), (81, 1001888), (96, 845343), (108, 751416), (131, 619488), (144, 563562), (162, 500944), (216, 375708), (239, 339552), (262, 309744), (288, 281781), (324, 250472), (393, 206496), (432, 187854), (478, 169776), (524, 154872), (648, 125236), (717, 113184), (786, 103248), (864, 93927), (956, 84888), (1048, 77436), (1179, 68832), (1296, 62618), (1434, 56592), (1572, 51624), (1912, 42444), (2096, 38718), (2151, 37728), (2358, 34416), (2592, 31309), (2868, 28296), (3144, 25812), (3537, 22944), (3824, 21222), (4192, 19359), (4302, 18864), (4716, 17208), (5736, 14148), (6288, 12906), (6453, 12576), (7074, 11472), (7648, 10611), (8604, 9432)]