71313880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2740

約数の個数: 64

約数和(自身を含む): 177979680

約数和(自身を除く): 106665800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2657, 2684, 3355, 5314, 5368, 6710, 10628, 13285, 13420, 21256, 26570, 26840, 29227, 53140, 58454, 106280, 116908, 146135, 162077, 233816, 292270, 324154, 584540, 648308, 810385, 1169080, 1296616, 1620770, 1782847, 3241540, 3565694, 6483080, 7131388, 8914235, 14262776, 17828470, 35656940, 71313880]

約数ペア:

[(1, 71313880), (2, 35656940), (4, 17828470), (5, 14262776), (8, 8914235), (10, 7131388), (11, 6483080), (20, 3565694), (22, 3241540), (40, 1782847), (44, 1620770), (55, 1296616), (61, 1169080), (88, 810385), (110, 648308), (122, 584540), (220, 324154), (244, 292270), (305, 233816), (440, 162077), (488, 146135), (610, 116908), (671, 106280), (1220, 58454), (1342, 53140), (2440, 29227), (2657, 26840), (2684, 26570), (3355, 21256), (5314, 13420), (5368, 13285), (6710, 10628)]