161761160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{653}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 398364480

約数和(自身を除く): 236603320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 563, 653, 1126, 1306, 2252, 2612, 2815, 3265, 4504, 5224, 5630, 6193, 6530, 7183, 11260, 12386, 13060, 14366, 22520, 24772, 26120, 28732, 30965, 35915, 49544, 57464, 61930, 71830, 123860, 143660, 247720, 287320, 367639, 735278, 1470556, 1838195, 2941112, 3676390, 4044029, 7352780, 8088058, 14705560, 16176116, 20220145, 32352232, 40440290, 80880580, 161761160]

約数ペア:

[(1, 161761160), (2, 80880580), (4, 40440290), (5, 32352232), (8, 20220145), (10, 16176116), (11, 14705560), (20, 8088058), (22, 7352780), (40, 4044029), (44, 3676390), (55, 2941112), (88, 1838195), (110, 1470556), (220, 735278), (440, 367639), (563, 287320), (653, 247720), (1126, 143660), (1306, 123860), (2252, 71830), (2612, 61930), (2815, 57464), (3265, 49544), (4504, 35915), (5224, 30965), (5630, 28732), (6193, 26120), (6530, 24772), (7183, 22520), (11260, 14366), (12386, 13060)]