87871840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1260

約数の個数: 96

約数和(自身を含む): 241000704

約数和(自身を除く): 153128864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 224, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1120, 1171, 1340, 1876, 2144, 2342, 2345, 2680, 3752, 4684, 4690, 5360, 5855, 7504, 8197, 9368, 9380, 10720, 11710, 15008, 16394, 18736, 18760, 23420, 32788, 37472, 37520, 40985, 46840, 65576, 75040, 78457, 81970, 93680, 131152, 156914, 163940, 187360, 262304, 313828, 327880, 392285, 549199, 627656, 655760, 784570, 1098398, 1255312, 1311520, 1569140, 2196796, 2510624, 2745995, 3138280, 4393592, 5491990, 6276560, 8787184, 10983980, 12553120, 17574368, 21967960, 43935920, 87871840]

約数ペア:

[(1, 87871840), (2, 43935920), (4, 21967960), (5, 17574368), (7, 12553120), (8, 10983980), (10, 8787184), (14, 6276560), (16, 5491990), (20, 4393592), (28, 3138280), (32, 2745995), (35, 2510624), (40, 2196796), (56, 1569140), (67, 1311520), (70, 1255312), (80, 1098398), (112, 784570), (134, 655760), (140, 627656), (160, 549199), (224, 392285), (268, 327880), (280, 313828), (335, 262304), (469, 187360), (536, 163940), (560, 156914), (670, 131152), (938, 93680), (1072, 81970), (1120, 78457), (1171, 75040), (1340, 65576), (1876, 46840), (2144, 40985), (2342, 37520), (2345, 37472), (2680, 32788), (3752, 23420), (4684, 18760), (4690, 18736), (5360, 16394), (5855, 15008), (7504, 11710), (8197, 10720), (9368, 9380)]