321939520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1548

約数の個数: 112

約数和(自身を含む): 885431808

約数和(自身を除く): 563492288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 140, 160, 202, 224, 280, 320, 404, 448, 505, 560, 707, 808, 1010, 1120, 1414, 1423, 1616, 2020, 2240, 2828, 2846, 3232, 3535, 4040, 5656, 5692, 6464, 7070, 7115, 8080, 9961, 11312, 11384, 14140, 14230, 16160, 19922, 22624, 22768, 28280, 28460, 32320, 39844, 45248, 45536, 49805, 56560, 56920, 79688, 91072, 99610, 113120, 113840, 143723, 159376, 199220, 226240, 227680, 287446, 318752, 398440, 455360, 574892, 637504, 718615, 796880, 1006061, 1149784, 1437230, 1593760, 2012122, 2299568, 2874460, 3187520, 4024244, 4599136, 5030305, 5748920, 8048488, 9198272, 10060610, 11497840, 16096976, 20121220, 22995680, 32193952, 40242440, 45991360, 64387904, 80484880, 160969760, 321939520]

約数ペア:

[(1, 321939520), (2, 160969760), (4, 80484880), (5, 64387904), (7, 45991360), (8, 40242440), (10, 32193952), (14, 22995680), (16, 20121220), (20, 16096976), (28, 11497840), (32, 10060610), (35, 9198272), (40, 8048488), (56, 5748920), (64, 5030305), (70, 4599136), (80, 4024244), (101, 3187520), (112, 2874460), (140, 2299568), (160, 2012122), (202, 1593760), (224, 1437230), (280, 1149784), (320, 1006061), (404, 796880), (448, 718615), (505, 637504), (560, 574892), (707, 455360), (808, 398440), (1010, 318752), (1120, 287446), (1414, 227680), (1423, 226240), (1616, 199220), (2020, 159376), (2240, 143723), (2828, 113840), (2846, 113120), (3232, 99610), (3535, 91072), (4040, 79688), (5656, 56920), (5692, 56560), (6464, 49805), (7070, 45536), (7115, 45248), (8080, 39844), (9961, 32320), (11312, 28460), (11384, 28280), (14140, 22768), (14230, 22624), (16160, 19922)]