216925520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2957}}^1$

素因数の和:3108

約数の個数: 80

約数和(自身を含む): 580998528

約数和(自身を除く): 364073008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2620, 2957, 3668, 4585, 5240, 5914, 7336, 9170, 10480, 11828, 14672, 14785, 18340, 20699, 23656, 29570, 36680, 41398, 47312, 59140, 73360, 82796, 103495, 118280, 165592, 206990, 236560, 331184, 387367, 413980, 774734, 827960, 1549468, 1655920, 1936835, 2711569, 3098936, 3873670, 5423138, 6197872, 7747340, 10846276, 13557845, 15494680, 21692552, 27115690, 30989360, 43385104, 54231380, 108462760, 216925520]

約数ペア:

[(1, 216925520), (2, 108462760), (4, 54231380), (5, 43385104), (7, 30989360), (8, 27115690), (10, 21692552), (14, 15494680), (16, 13557845), (20, 10846276), (28, 7747340), (35, 6197872), (40, 5423138), (56, 3873670), (70, 3098936), (80, 2711569), (112, 1936835), (131, 1655920), (140, 1549468), (262, 827960), (280, 774734), (524, 413980), (560, 387367), (655, 331184), (917, 236560), (1048, 206990), (1310, 165592), (1834, 118280), (2096, 103495), (2620, 82796), (2957, 73360), (3668, 59140), (4585, 47312), (5240, 41398), (5914, 36680), (7336, 29570), (9170, 23656), (10480, 20699), (11828, 18340), (14672, 14785)]