127908080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 307105344

約数和(自身を除く): 179197264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 97, 106, 194, 212, 265, 311, 388, 424, 485, 530, 622, 776, 848, 970, 1060, 1244, 1552, 1555, 1940, 2120, 2488, 3110, 3880, 4240, 4976, 5141, 6220, 7760, 10282, 12440, 16483, 20564, 24880, 25705, 30167, 32966, 41128, 51410, 60334, 65932, 82256, 82415, 102820, 120668, 131864, 150835, 164830, 205640, 241336, 263728, 301670, 329660, 411280, 482672, 603340, 659320, 1206680, 1318640, 1598851, 2413360, 3197702, 6395404, 7994255, 12790808, 15988510, 25581616, 31977020, 63954040, 127908080]

約数ペア:

[(1, 127908080), (2, 63954040), (4, 31977020), (5, 25581616), (8, 15988510), (10, 12790808), (16, 7994255), (20, 6395404), (40, 3197702), (53, 2413360), (80, 1598851), (97, 1318640), (106, 1206680), (194, 659320), (212, 603340), (265, 482672), (311, 411280), (388, 329660), (424, 301670), (485, 263728), (530, 241336), (622, 205640), (776, 164830), (848, 150835), (970, 131864), (1060, 120668), (1244, 102820), (1552, 82415), (1555, 82256), (1940, 65932), (2120, 60334), (2488, 51410), (3110, 41128), (3880, 32966), (4240, 30167), (4976, 25705), (5141, 24880), (6220, 20564), (7760, 16483), (10282, 12440)]