122720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 317520

約数和(自身を除く): 194800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 416, 472, 520, 590, 767, 944, 1040, 1180, 1534, 1888, 2080, 2360, 3068, 3835, 4720, 6136, 7670, 9440, 12272, 15340, 24544, 30680, 61360, 122720]

約数ペア:

[(1, 122720), (2, 61360), (4, 30680), (5, 24544), (8, 15340), (10, 12272), (13, 9440), (16, 7670), (20, 6136), (26, 4720), (32, 3835), (40, 3068), (52, 2360), (59, 2080), (65, 1888), (80, 1534), (104, 1180), (118, 1040), (130, 944), (160, 767), (208, 590), (236, 520), (260, 472), (295, 416)]