61716560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2137}}^1$

素因数の和:2188

約数の個数: 60

約数和(自身を含む): 151511508

約数和(自身を除く): 89794948

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2137, 2888, 3610, 4274, 5776, 7220, 8548, 10685, 14440, 17096, 21370, 28880, 34192, 40603, 42740, 81206, 85480, 162412, 170960, 203015, 324824, 406030, 649648, 771457, 812060, 1542914, 1624120, 3085828, 3248240, 3857285, 6171656, 7714570, 12343312, 15429140, 30858280, 61716560]

約数ペア:

[(1, 61716560), (2, 30858280), (4, 15429140), (5, 12343312), (8, 7714570), (10, 6171656), (16, 3857285), (19, 3248240), (20, 3085828), (38, 1624120), (40, 1542914), (76, 812060), (80, 771457), (95, 649648), (152, 406030), (190, 324824), (304, 203015), (361, 170960), (380, 162412), (722, 85480), (760, 81206), (1444, 42740), (1520, 40603), (1805, 34192), (2137, 28880), (2888, 21370), (3610, 17096), (4274, 14440), (5776, 10685), (7220, 8548)]