87604760

素因数分解:

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

素因数の和:169

約数の個数: 96

約数和(自身を含む): 212343120

約数和(自身を除く): 124738360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 53, 62, 86, 106, 124, 155, 172, 212, 215, 248, 265, 310, 344, 424, 430, 530, 620, 860, 961, 1060, 1240, 1333, 1643, 1720, 1922, 2120, 2279, 2666, 3286, 3844, 4558, 4805, 5332, 6572, 6665, 7688, 8215, 9116, 9610, 10664, 11395, 13144, 13330, 16430, 18232, 19220, 22790, 26660, 32860, 38440, 41323, 45580, 50933, 53320, 65720, 70649, 82646, 91160, 101866, 141298, 165292, 203732, 206615, 254665, 282596, 330584, 353245, 407464, 413230, 509330, 565192, 706490, 826460, 1018660, 1412980, 1652920, 2037320, 2190119, 2825960, 4380238, 8760476, 10950595, 17520952, 21901190, 43802380, 87604760]

約数ペア:

[(1, 87604760), (2, 43802380), (4, 21901190), (5, 17520952), (8, 10950595), (10, 8760476), (20, 4380238), (31, 2825960), (40, 2190119), (43, 2037320), (53, 1652920), (62, 1412980), (86, 1018660), (106, 826460), (124, 706490), (155, 565192), (172, 509330), (212, 413230), (215, 407464), (248, 353245), (265, 330584), (310, 282596), (344, 254665), (424, 206615), (430, 203732), (530, 165292), (620, 141298), (860, 101866), (961, 91160), (1060, 82646), (1240, 70649), (1333, 65720), (1643, 53320), (1720, 50933), (1922, 45580), (2120, 41323), (2279, 38440), (2666, 32860), (3286, 26660), (3844, 22790), (4558, 19220), (4805, 18232), (5332, 16430), (6572, 13330), (6665, 13144), (7688, 11395), (8215, 10664), (9116, 9610)]