11507720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 30049920

約数和(自身を除く): 18542200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 563, 584, 730, 1022, 1126, 1460, 2044, 2252, 2555, 2815, 2920, 3941, 4088, 4504, 5110, 5630, 7882, 10220, 11260, 15764, 19705, 20440, 22520, 31528, 39410, 41099, 78820, 82198, 157640, 164396, 205495, 287693, 328792, 410990, 575386, 821980, 1150772, 1438465, 1643960, 2301544, 2876930, 5753860, 11507720]

約数ペア:

[(1, 11507720), (2, 5753860), (4, 2876930), (5, 2301544), (7, 1643960), (8, 1438465), (10, 1150772), (14, 821980), (20, 575386), (28, 410990), (35, 328792), (40, 287693), (56, 205495), (70, 164396), (73, 157640), (140, 82198), (146, 78820), (280, 41099), (292, 39410), (365, 31528), (511, 22520), (563, 20440), (584, 19705), (730, 15764), (1022, 11260), (1126, 10220), (1460, 7882), (2044, 5630), (2252, 5110), (2555, 4504), (2815, 4088), (2920, 3941)]