31085560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 82114560

約数和(自身を除く): 51029000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 43, 44, 53, 55, 62, 86, 88, 106, 110, 124, 155, 172, 212, 215, 220, 248, 265, 310, 341, 344, 424, 430, 440, 473, 530, 583, 620, 682, 860, 946, 1060, 1166, 1240, 1333, 1364, 1643, 1705, 1720, 1892, 2120, 2279, 2332, 2365, 2666, 2728, 2915, 3286, 3410, 3784, 4558, 4664, 4730, 5332, 5830, 6572, 6665, 6820, 8215, 9116, 9460, 10664, 11395, 11660, 13144, 13330, 13640, 14663, 16430, 18073, 18232, 18920, 22790, 23320, 25069, 26660, 29326, 32860, 36146, 45580, 50138, 53320, 58652, 65720, 70649, 72292, 73315, 90365, 91160, 100276, 117304, 125345, 141298, 144584, 146630, 180730, 200552, 250690, 282596, 293260, 353245, 361460, 501380, 565192, 586520, 706490, 722920, 777139, 1002760, 1412980, 1554278, 2825960, 3108556, 3885695, 6217112, 7771390, 15542780, 31085560]

約数ペア:

[(1, 31085560), (2, 15542780), (4, 7771390), (5, 6217112), (8, 3885695), (10, 3108556), (11, 2825960), (20, 1554278), (22, 1412980), (31, 1002760), (40, 777139), (43, 722920), (44, 706490), (53, 586520), (55, 565192), (62, 501380), (86, 361460), (88, 353245), (106, 293260), (110, 282596), (124, 250690), (155, 200552), (172, 180730), (212, 146630), (215, 144584), (220, 141298), (248, 125345), (265, 117304), (310, 100276), (341, 91160), (344, 90365), (424, 73315), (430, 72292), (440, 70649), (473, 65720), (530, 58652), (583, 53320), (620, 50138), (682, 45580), (860, 36146), (946, 32860), (1060, 29326), (1166, 26660), (1240, 25069), (1333, 23320), (1364, 22790), (1643, 18920), (1705, 18232), (1720, 18073), (1892, 16430), (2120, 14663), (2279, 13640), (2332, 13330), (2365, 13144), (2666, 11660), (2728, 11395), (2915, 10664), (3286, 9460), (3410, 9116), (3784, 8215), (4558, 6820), (4664, 6665), (4730, 6572), (5332, 5830)]