81619488

素因数分解:

$2^5\times 3^4\times {\mathrm{31489}}^1$

素因数の和:31511

約数の個数: 60

約数和(自身を含む): 240048270

約数和(自身を除く): 158428782

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 31489, 62978, 94467, 125956, 188934, 251912, 283401, 377868, 503824, 566802, 755736, 850203, 1007648, 1133604, 1511472, 1700406, 2267208, 2550609, 3022944, 3400812, 4534416, 5101218, 6801624, 9068832, 10202436, 13603248, 20404872, 27206496, 40809744, 81619488]

約数ペア:

[(1, 81619488), (2, 40809744), (3, 27206496), (4, 20404872), (6, 13603248), (8, 10202436), (9, 9068832), (12, 6801624), (16, 5101218), (18, 4534416), (24, 3400812), (27, 3022944), (32, 2550609), (36, 2267208), (48, 1700406), (54, 1511472), (72, 1133604), (81, 1007648), (96, 850203), (108, 755736), (144, 566802), (162, 503824), (216, 377868), (288, 283401), (324, 251912), (432, 188934), (648, 125956), (864, 94467), (1296, 62978), (2592, 31489)]