69986640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{881}}^1$

素因数の和:1228

約数の個数: 80

約数和(自身を含む): 217861056

約数和(自身を除く): 147874416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 881, 993, 1324, 1655, 1762, 1986, 2643, 2648, 3310, 3524, 3972, 4405, 4965, 5286, 5296, 6620, 7048, 7944, 8810, 9930, 10572, 13215, 13240, 14096, 15888, 17620, 19860, 21144, 26430, 26480, 35240, 39720, 42288, 52860, 70480, 79440, 105720, 211440, 291611, 583222, 874833, 1166444, 1458055, 1749666, 2332888, 2916110, 3499332, 4374165, 4665776, 5832220, 6998664, 8748330, 11664440, 13997328, 17496660, 23328880, 34993320, 69986640]

約数ペア:

[(1, 69986640), (2, 34993320), (3, 23328880), (4, 17496660), (5, 13997328), (6, 11664440), (8, 8748330), (10, 6998664), (12, 5832220), (15, 4665776), (16, 4374165), (20, 3499332), (24, 2916110), (30, 2332888), (40, 1749666), (48, 1458055), (60, 1166444), (80, 874833), (120, 583222), (240, 291611), (331, 211440), (662, 105720), (881, 79440), (993, 70480), (1324, 52860), (1655, 42288), (1762, 39720), (1986, 35240), (2643, 26480), (2648, 26430), (3310, 21144), (3524, 19860), (3972, 17620), (4405, 15888), (4965, 14096), (5286, 13240), (5296, 13215), (6620, 10572), (7048, 9930), (7944, 8810)]