7779720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4987}}^1$

素因数の和:5014

約数の個数: 64

約数和(自身を含む): 25139520

約数和(自身を除く): 17359800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 4987, 9974, 14961, 19948, 24935, 29922, 39896, 49870, 59844, 64831, 74805, 99740, 119688, 129662, 149610, 194493, 199480, 259324, 299220, 324155, 388986, 518648, 598440, 648310, 777972, 972465, 1296620, 1555944, 1944930, 2593240, 3889860, 7779720]

約数ペア:

[(1, 7779720), (2, 3889860), (3, 2593240), (4, 1944930), (5, 1555944), (6, 1296620), (8, 972465), (10, 777972), (12, 648310), (13, 598440), (15, 518648), (20, 388986), (24, 324155), (26, 299220), (30, 259324), (39, 199480), (40, 194493), (52, 149610), (60, 129662), (65, 119688), (78, 99740), (104, 74805), (120, 64831), (130, 59844), (156, 49870), (195, 39896), (260, 29922), (312, 24935), (390, 19948), (520, 14961), (780, 9974), (1560, 4987)]