71545880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 189235440

約数和(自身を除く): 117689560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 173, 196, 211, 245, 280, 346, 392, 422, 490, 692, 844, 865, 980, 1055, 1211, 1384, 1477, 1688, 1730, 1960, 2110, 2422, 2954, 3460, 4220, 4844, 5908, 6055, 6920, 7385, 8440, 8477, 9688, 10339, 11816, 12110, 14770, 16954, 20678, 24220, 29540, 33908, 36503, 41356, 42385, 48440, 51695, 59080, 67816, 73006, 82712, 84770, 103390, 146012, 169540, 182515, 206780, 255521, 292024, 339080, 365030, 413560, 511042, 730060, 1022084, 1277605, 1460120, 1788647, 2044168, 2555210, 3577294, 5110420, 7154588, 8943235, 10220840, 14309176, 17886470, 35772940, 71545880]

約数ペア:

[(1, 71545880), (2, 35772940), (4, 17886470), (5, 14309176), (7, 10220840), (8, 8943235), (10, 7154588), (14, 5110420), (20, 3577294), (28, 2555210), (35, 2044168), (40, 1788647), (49, 1460120), (56, 1277605), (70, 1022084), (98, 730060), (140, 511042), (173, 413560), (196, 365030), (211, 339080), (245, 292024), (280, 255521), (346, 206780), (392, 182515), (422, 169540), (490, 146012), (692, 103390), (844, 84770), (865, 82712), (980, 73006), (1055, 67816), (1211, 59080), (1384, 51695), (1477, 48440), (1688, 42385), (1730, 41356), (1960, 36503), (2110, 33908), (2422, 29540), (2954, 24220), (3460, 20678), (4220, 16954), (4844, 14770), (5908, 12110), (6055, 11816), (6920, 10339), (7385, 9688), (8440, 8477)]