30519972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 88687872

約数和(自身を除く): 58167900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 281, 431, 562, 843, 862, 1124, 1293, 1686, 1724, 1967, 2529, 2586, 3017, 3372, 3879, 3934, 5058, 5172, 5901, 6034, 7758, 7868, 9051, 10116, 11802, 12068, 15516, 17703, 18102, 23604, 27153, 35406, 36204, 54306, 70812, 108612, 121111, 242222, 363333, 484444, 726666, 847777, 1089999, 1453332, 1695554, 2179998, 2543331, 3391108, 4359996, 5086662, 7629993, 10173324, 15259986, 30519972]

約数ペア:

[(1, 30519972), (2, 15259986), (3, 10173324), (4, 7629993), (6, 5086662), (7, 4359996), (9, 3391108), (12, 2543331), (14, 2179998), (18, 1695554), (21, 1453332), (28, 1089999), (36, 847777), (42, 726666), (63, 484444), (84, 363333), (126, 242222), (252, 121111), (281, 108612), (431, 70812), (562, 54306), (843, 36204), (862, 35406), (1124, 27153), (1293, 23604), (1686, 18102), (1724, 17703), (1967, 15516), (2529, 12068), (2586, 11802), (3017, 10116), (3372, 9051), (3879, 7868), (3934, 7758), (5058, 6034), (5172, 5901)]