85306480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{439}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 227842560

約数和(自身を除く): 142536080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 347, 439, 560, 694, 878, 1388, 1735, 1756, 2195, 2429, 2776, 3073, 3470, 3512, 4390, 4858, 5552, 6146, 6940, 7024, 8780, 9716, 12145, 12292, 13880, 15365, 17560, 19432, 24290, 24584, 27760, 30730, 35120, 38864, 48580, 49168, 61460, 97160, 122920, 152333, 194320, 245840, 304666, 609332, 761665, 1066331, 1218664, 1523330, 2132662, 2437328, 3046660, 4265324, 5331655, 6093320, 8530648, 10663310, 12186640, 17061296, 21326620, 42653240, 85306480]

約数ペア:

[(1, 85306480), (2, 42653240), (4, 21326620), (5, 17061296), (7, 12186640), (8, 10663310), (10, 8530648), (14, 6093320), (16, 5331655), (20, 4265324), (28, 3046660), (35, 2437328), (40, 2132662), (56, 1523330), (70, 1218664), (80, 1066331), (112, 761665), (140, 609332), (280, 304666), (347, 245840), (439, 194320), (560, 152333), (694, 122920), (878, 97160), (1388, 61460), (1735, 49168), (1756, 48580), (2195, 38864), (2429, 35120), (2776, 30730), (3073, 27760), (3470, 24584), (3512, 24290), (4390, 19432), (4858, 17560), (5552, 15365), (6146, 13880), (6940, 12292), (7024, 12145), (8780, 9716)]