54246640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 145294272

約数和(自身を除く): 91047632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 617, 628, 785, 1099, 1234, 1256, 1570, 2198, 2468, 2512, 3085, 3140, 4319, 4396, 4936, 5495, 6170, 6280, 8638, 8792, 9872, 10990, 12340, 12560, 17276, 17584, 21595, 21980, 24680, 34552, 43190, 43960, 49360, 69104, 86380, 87920, 96869, 172760, 193738, 345520, 387476, 484345, 678083, 774952, 968690, 1356166, 1549904, 1937380, 2712332, 3390415, 3874760, 5424664, 6780830, 7749520, 10849328, 13561660, 27123320, 54246640]

約数ペア:

[(1, 54246640), (2, 27123320), (4, 13561660), (5, 10849328), (7, 7749520), (8, 6780830), (10, 5424664), (14, 3874760), (16, 3390415), (20, 2712332), (28, 1937380), (35, 1549904), (40, 1356166), (56, 968690), (70, 774952), (80, 678083), (112, 484345), (140, 387476), (157, 345520), (280, 193738), (314, 172760), (560, 96869), (617, 87920), (628, 86380), (785, 69104), (1099, 49360), (1234, 43960), (1256, 43190), (1570, 34552), (2198, 24680), (2468, 21980), (2512, 21595), (3085, 17584), (3140, 17276), (4319, 12560), (4396, 12340), (4936, 10990), (5495, 9872), (6170, 8792), (6280, 8638)]