161839840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:600

約数の個数: 96

約数和(自身を含む): 401393664

約数和(自身を除く): 239553824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 67, 80, 124, 134, 155, 160, 248, 268, 310, 335, 487, 496, 536, 620, 670, 974, 992, 1072, 1240, 1340, 1948, 2077, 2144, 2435, 2480, 2680, 3896, 4154, 4870, 4960, 5360, 7792, 8308, 9740, 10385, 10720, 15097, 15584, 16616, 19480, 20770, 30194, 32629, 33232, 38960, 41540, 60388, 65258, 66464, 75485, 77920, 83080, 120776, 130516, 150970, 163145, 166160, 241552, 261032, 301940, 326290, 332320, 483104, 522064, 603880, 652580, 1011499, 1044128, 1207760, 1305160, 2022998, 2415520, 2610320, 4045996, 5057495, 5220640, 8091992, 10114990, 16183984, 20229980, 32367968, 40459960, 80919920, 161839840]

約数ペア:

[(1, 161839840), (2, 80919920), (4, 40459960), (5, 32367968), (8, 20229980), (10, 16183984), (16, 10114990), (20, 8091992), (31, 5220640), (32, 5057495), (40, 4045996), (62, 2610320), (67, 2415520), (80, 2022998), (124, 1305160), (134, 1207760), (155, 1044128), (160, 1011499), (248, 652580), (268, 603880), (310, 522064), (335, 483104), (487, 332320), (496, 326290), (536, 301940), (620, 261032), (670, 241552), (974, 166160), (992, 163145), (1072, 150970), (1240, 130516), (1340, 120776), (1948, 83080), (2077, 77920), (2144, 75485), (2435, 66464), (2480, 65258), (2680, 60388), (3896, 41540), (4154, 38960), (4870, 33232), (4960, 32629), (5360, 30194), (7792, 20770), (8308, 19480), (9740, 16616), (10385, 15584), (10720, 15097)]