71511420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{38447}}^1$

素因数の和:38490

約数の個数: 48

約数和(自身を含む): 206696448

約数和(自身を除く): 135185028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 38447, 76894, 115341, 153788, 192235, 230682, 384470, 461364, 576705, 768940, 1153410, 1191857, 2306820, 2383714, 3575571, 4767428, 5959285, 7151142, 11918570, 14302284, 17877855, 23837140, 35755710, 71511420]

約数ペア:

[(1, 71511420), (2, 35755710), (3, 23837140), (4, 17877855), (5, 14302284), (6, 11918570), (10, 7151142), (12, 5959285), (15, 4767428), (20, 3575571), (30, 2383714), (31, 2306820), (60, 1191857), (62, 1153410), (93, 768940), (124, 576705), (155, 461364), (186, 384470), (310, 230682), (372, 192235), (465, 153788), (620, 115341), (930, 76894), (1860, 38447)]