120455680

素因数分解:

$2^9\times 5^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 291481344

約数和(自身を除く): 171025664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 223, 256, 320, 422, 446, 512, 640, 844, 892, 1055, 1115, 1280, 1688, 1784, 2110, 2230, 2560, 3376, 3568, 4220, 4460, 6752, 7136, 8440, 8920, 13504, 14272, 16880, 17840, 27008, 28544, 33760, 35680, 47053, 54016, 57088, 67520, 71360, 94106, 108032, 114176, 135040, 142720, 188212, 235265, 270080, 285440, 376424, 470530, 540160, 570880, 752848, 941060, 1505696, 1882120, 3011392, 3764240, 6022784, 7528480, 12045568, 15056960, 24091136, 30113920, 60227840, 120455680]

約数ペア:

[(1, 120455680), (2, 60227840), (4, 30113920), (5, 24091136), (8, 15056960), (10, 12045568), (16, 7528480), (20, 6022784), (32, 3764240), (40, 3011392), (64, 1882120), (80, 1505696), (128, 941060), (160, 752848), (211, 570880), (223, 540160), (256, 470530), (320, 376424), (422, 285440), (446, 270080), (512, 235265), (640, 188212), (844, 142720), (892, 135040), (1055, 114176), (1115, 108032), (1280, 94106), (1688, 71360), (1784, 67520), (2110, 57088), (2230, 54016), (2560, 47053), (3376, 35680), (3568, 33760), (4220, 28544), (4460, 27008), (6752, 17840), (7136, 16880), (8440, 14272), (8920, 13504)]