31560690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 87277824

約数和(自身を除く): 55717134

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 822, 959, 1097, 1370, 1918, 2055, 2194, 2877, 3291, 4110, 4795, 5485, 5754, 6582, 7679, 9590, 10970, 14385, 15358, 16455, 23037, 28770, 32910, 38395, 46074, 76790, 115185, 150289, 230370, 300578, 450867, 751445, 901734, 1052023, 1502890, 2104046, 2254335, 3156069, 4508670, 5260115, 6312138, 10520230, 15780345, 31560690]

約数ペア:

[(1, 31560690), (2, 15780345), (3, 10520230), (5, 6312138), (6, 5260115), (7, 4508670), (10, 3156069), (14, 2254335), (15, 2104046), (21, 1502890), (30, 1052023), (35, 901734), (42, 751445), (70, 450867), (105, 300578), (137, 230370), (210, 150289), (274, 115185), (411, 76790), (685, 46074), (822, 38395), (959, 32910), (1097, 28770), (1370, 23037), (1918, 16455), (2055, 15358), (2194, 14385), (2877, 10970), (3291, 9590), (4110, 7679), (4795, 6582), (5485, 5754)]