181218528

素因数分解:

$2^5\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1901}}^1$

素因数の和:2248

約数の個数: 72

約数和(自身を含む): 517169016

約数和(自身を除く): 335950488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 331, 662, 993, 1324, 1901, 1986, 2648, 2979, 3802, 3972, 5296, 5703, 5958, 7604, 7944, 10592, 11406, 11916, 15208, 15888, 17109, 22812, 23832, 30416, 31776, 34218, 45624, 47664, 60832, 68436, 91248, 95328, 136872, 182496, 273744, 547488, 629231, 1258462, 1887693, 2516924, 3775386, 5033848, 5663079, 7550772, 10067696, 11326158, 15101544, 20135392, 22652316, 30203088, 45304632, 60406176, 90609264, 181218528]

約数ペア:

[(1, 181218528), (2, 90609264), (3, 60406176), (4, 45304632), (6, 30203088), (8, 22652316), (9, 20135392), (12, 15101544), (16, 11326158), (18, 10067696), (24, 7550772), (32, 5663079), (36, 5033848), (48, 3775386), (72, 2516924), (96, 1887693), (144, 1258462), (288, 629231), (331, 547488), (662, 273744), (993, 182496), (1324, 136872), (1901, 95328), (1986, 91248), (2648, 68436), (2979, 60832), (3802, 47664), (3972, 45624), (5296, 34218), (5703, 31776), (5958, 30416), (7604, 23832), (7944, 22812), (10592, 17109), (11406, 15888), (11916, 15208)]