121225160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{769}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 312681600

約数和(自身を除く): 191456440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 563, 769, 1126, 1538, 2252, 2815, 3076, 3845, 3941, 4504, 5383, 5630, 6152, 7690, 7882, 10766, 11260, 15380, 15764, 19705, 21532, 22520, 26915, 30760, 31528, 39410, 43064, 53830, 78820, 107660, 157640, 215320, 432947, 865894, 1731788, 2164735, 3030629, 3463576, 4329470, 6061258, 8658940, 12122516, 15153145, 17317880, 24245032, 30306290, 60612580, 121225160]

約数ペア:

[(1, 121225160), (2, 60612580), (4, 30306290), (5, 24245032), (7, 17317880), (8, 15153145), (10, 12122516), (14, 8658940), (20, 6061258), (28, 4329470), (35, 3463576), (40, 3030629), (56, 2164735), (70, 1731788), (140, 865894), (280, 432947), (563, 215320), (769, 157640), (1126, 107660), (1538, 78820), (2252, 53830), (2815, 43064), (3076, 39410), (3845, 31528), (3941, 30760), (4504, 26915), (5383, 22520), (5630, 21532), (6152, 19705), (7690, 15764), (7882, 15380), (10766, 11260)]