1640473980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{250837}}^1$

素因数の和:250958

約数の個数: 48

約数和(自身を含む): 4635486240

約数和(自身を除く): 2995012260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540, 250837, 501674, 752511, 1003348, 1254185, 1505022, 2508370, 3010044, 3762555, 5016740, 7525110, 15050220, 27341233, 54682466, 82023699, 109364932, 136706165, 164047398, 273412330, 328094796, 410118495, 546824660, 820236990, 1640473980]

約数ペア:

[(1, 1640473980), (2, 820236990), (3, 546824660), (4, 410118495), (5, 328094796), (6, 273412330), (10, 164047398), (12, 136706165), (15, 109364932), (20, 82023699), (30, 54682466), (60, 27341233), (109, 15050220), (218, 7525110), (327, 5016740), (436, 3762555), (545, 3010044), (654, 2508370), (1090, 1505022), (1308, 1254185), (1635, 1003348), (2180, 752511), (3270, 501674), (6540, 250837)]