30951560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2030

約数の個数: 64

約数和(自身を含む): 76982400

約数和(自身を除く): 46030840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 1979, 3128, 3910, 3958, 7820, 7916, 9895, 15640, 15832, 19790, 33643, 39580, 45517, 67286, 79160, 91034, 134572, 168215, 182068, 227585, 269144, 336430, 364136, 455170, 672860, 773789, 910340, 1345720, 1547578, 1820680, 3095156, 3868945, 6190312, 7737890, 15475780, 30951560]

約数ペア:

[(1, 30951560), (2, 15475780), (4, 7737890), (5, 6190312), (8, 3868945), (10, 3095156), (17, 1820680), (20, 1547578), (23, 1345720), (34, 910340), (40, 773789), (46, 672860), (68, 455170), (85, 364136), (92, 336430), (115, 269144), (136, 227585), (170, 182068), (184, 168215), (230, 134572), (340, 91034), (391, 79160), (460, 67286), (680, 45517), (782, 39580), (920, 33643), (1564, 19790), (1955, 15832), (1979, 15640), (3128, 9895), (3910, 7916), (3958, 7820)]