80351320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{827}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 207463680

約数和(自身を除く): 127112360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 347, 694, 827, 1388, 1654, 1735, 2429, 2776, 3308, 3470, 4135, 4858, 5789, 6616, 6940, 8270, 9716, 11578, 12145, 13880, 16540, 19432, 23156, 24290, 28945, 33080, 46312, 48580, 57890, 97160, 115780, 231560, 286969, 573938, 1147876, 1434845, 2008783, 2295752, 2869690, 4017566, 5739380, 8035132, 10043915, 11478760, 16070264, 20087830, 40175660, 80351320]

約数ペア:

[(1, 80351320), (2, 40175660), (4, 20087830), (5, 16070264), (7, 11478760), (8, 10043915), (10, 8035132), (14, 5739380), (20, 4017566), (28, 2869690), (35, 2295752), (40, 2008783), (56, 1434845), (70, 1147876), (140, 573938), (280, 286969), (347, 231560), (694, 115780), (827, 97160), (1388, 57890), (1654, 48580), (1735, 46312), (2429, 33080), (2776, 28945), (3308, 24290), (3470, 23156), (4135, 19432), (4858, 16540), (5789, 13880), (6616, 12145), (6940, 11578), (8270, 9716)]