72126040

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{751}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 189571680

約数和(自身を除く): 117445640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 751, 980, 1372, 1502, 1715, 1960, 2401, 2744, 3004, 3430, 3755, 4802, 5257, 6008, 6860, 7510, 9604, 10514, 12005, 13720, 15020, 19208, 21028, 24010, 26285, 30040, 36799, 42056, 48020, 52570, 73598, 96040, 105140, 147196, 183995, 210280, 257593, 294392, 367990, 515186, 735980, 1030372, 1287965, 1471960, 1803151, 2060744, 2575930, 3606302, 5151860, 7212604, 9015755, 10303720, 14425208, 18031510, 36063020, 72126040]

約数ペア:

[(1, 72126040), (2, 36063020), (4, 18031510), (5, 14425208), (7, 10303720), (8, 9015755), (10, 7212604), (14, 5151860), (20, 3606302), (28, 2575930), (35, 2060744), (40, 1803151), (49, 1471960), (56, 1287965), (70, 1030372), (98, 735980), (140, 515186), (196, 367990), (245, 294392), (280, 257593), (343, 210280), (392, 183995), (490, 147196), (686, 105140), (751, 96040), (980, 73598), (1372, 52570), (1502, 48020), (1715, 42056), (1960, 36799), (2401, 30040), (2744, 26285), (3004, 24010), (3430, 21028), (3755, 19208), (4802, 15020), (5257, 13720), (6008, 12005), (6860, 10514), (7510, 9604)]