81327570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 203129856

約数和(自身を除く): 121802286

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 157, 186, 310, 314, 465, 471, 557, 785, 930, 942, 1114, 1570, 1671, 2355, 2785, 3342, 4710, 4867, 5570, 8355, 9734, 14601, 16710, 17267, 24335, 29202, 34534, 48670, 51801, 73005, 86335, 87449, 103602, 146010, 172670, 174898, 259005, 262347, 437245, 518010, 524694, 874490, 1311735, 2623470, 2710919, 5421838, 8132757, 13554595, 16265514, 27109190, 40663785, 81327570]

約数ペア:

[(1, 81327570), (2, 40663785), (3, 27109190), (5, 16265514), (6, 13554595), (10, 8132757), (15, 5421838), (30, 2710919), (31, 2623470), (62, 1311735), (93, 874490), (155, 524694), (157, 518010), (186, 437245), (310, 262347), (314, 259005), (465, 174898), (471, 172670), (557, 146010), (785, 103602), (930, 87449), (942, 86335), (1114, 73005), (1570, 51801), (1671, 48670), (2355, 34534), (2785, 29202), (3342, 24335), (4710, 17267), (4867, 16710), (5570, 14601), (8355, 9734)]