80310770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 152929944

約数和(自身を除く): 72619174

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 137, 155, 274, 305, 310, 610, 685, 961, 1370, 1891, 1922, 3782, 4247, 4805, 8357, 8494, 9455, 9610, 16714, 18910, 21235, 41785, 42470, 58621, 83570, 117242, 131657, 259067, 263314, 293105, 518134, 586210, 658285, 1295335, 1316570, 2590670, 8031077, 16062154, 40155385, 80310770]

約数ペア:

[(1, 80310770), (2, 40155385), (5, 16062154), (10, 8031077), (31, 2590670), (61, 1316570), (62, 1295335), (122, 658285), (137, 586210), (155, 518134), (274, 293105), (305, 263314), (310, 259067), (610, 131657), (685, 117242), (961, 83570), (1370, 58621), (1891, 42470), (1922, 41785), (3782, 21235), (4247, 18910), (4805, 16714), (8357, 9610), (8494, 9455)]