31118880

素因数分解:

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

素因数の和:5018

約数の個数: 96

約数和(自身を含む): 105585984

約数和(自身を除く): 74467104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 4987, 6240, 9974, 14961, 19948, 24935, 29922, 39896, 49870, 59844, 64831, 74805, 79792, 99740, 119688, 129662, 149610, 159584, 194493, 199480, 239376, 259324, 299220, 324155, 388986, 398960, 478752, 518648, 598440, 648310, 777972, 797920, 972465, 1037296, 1196880, 1296620, 1555944, 1944930, 2074592, 2393760, 2593240, 3111888, 3889860, 5186480, 6223776, 7779720, 10372960, 15559440, 31118880]

約数ペア:

[(1, 31118880), (2, 15559440), (3, 10372960), (4, 7779720), (5, 6223776), (6, 5186480), (8, 3889860), (10, 3111888), (12, 2593240), (13, 2393760), (15, 2074592), (16, 1944930), (20, 1555944), (24, 1296620), (26, 1196880), (30, 1037296), (32, 972465), (39, 797920), (40, 777972), (48, 648310), (52, 598440), (60, 518648), (65, 478752), (78, 398960), (80, 388986), (96, 324155), (104, 299220), (120, 259324), (130, 239376), (156, 199480), (160, 194493), (195, 159584), (208, 149610), (240, 129662), (260, 119688), (312, 99740), (390, 79792), (416, 74805), (480, 64831), (520, 59844), (624, 49870), (780, 39896), (1040, 29922), (1248, 24935), (1560, 19948), (2080, 14961), (3120, 9974), (4987, 6240)]