261672015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 469048320

約数和(自身を除く): 207376305

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 103, 165, 173, 267, 309, 445, 515, 519, 865, 979, 1133, 1335, 1545, 1903, 2595, 2937, 3399, 4895, 5665, 5709, 9167, 9515, 14685, 15397, 16995, 17819, 27501, 28545, 45835, 46191, 53457, 76985, 89095, 100837, 137505, 169367, 196009, 230955, 267285, 302511, 504185, 508101, 588027, 846835, 980045, 1512555, 1585891, 2540505, 2940135, 4757673, 7929455, 17444801, 23788365, 52334403, 87224005, 261672015]

約数ペア:

[(1, 261672015), (3, 87224005), (5, 52334403), (11, 23788365), (15, 17444801), (33, 7929455), (55, 4757673), (89, 2940135), (103, 2540505), (165, 1585891), (173, 1512555), (267, 980045), (309, 846835), (445, 588027), (515, 508101), (519, 504185), (865, 302511), (979, 267285), (1133, 230955), (1335, 196009), (1545, 169367), (1903, 137505), (2595, 100837), (2937, 89095), (3399, 76985), (4895, 53457), (5665, 46191), (5709, 45835), (9167, 28545), (9515, 27501), (14685, 17819), (15397, 16995)]