71897560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{557}}^1$

素因数の和:1036

約数の個数: 64

約数和(自身を含む): 185613120

約数和(自身を除く): 113715560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461, 557, 922, 1114, 1844, 2228, 2305, 2785, 3227, 3688, 3899, 4456, 4610, 5570, 6454, 7798, 9220, 11140, 12908, 15596, 16135, 18440, 19495, 22280, 25816, 31192, 32270, 38990, 64540, 77980, 129080, 155960, 256777, 513554, 1027108, 1283885, 1797439, 2054216, 2567770, 3594878, 5135540, 7189756, 8987195, 10271080, 14379512, 17974390, 35948780, 71897560]

約数ペア:

[(1, 71897560), (2, 35948780), (4, 17974390), (5, 14379512), (7, 10271080), (8, 8987195), (10, 7189756), (14, 5135540), (20, 3594878), (28, 2567770), (35, 2054216), (40, 1797439), (56, 1283885), (70, 1027108), (140, 513554), (280, 256777), (461, 155960), (557, 129080), (922, 77980), (1114, 64540), (1844, 38990), (2228, 32270), (2305, 31192), (2785, 25816), (3227, 22280), (3688, 19495), (3899, 18440), (4456, 16135), (4610, 15596), (5570, 12908), (6454, 11140), (7798, 9220)]