66308940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{947}}^1$

素因数の和:1351

約数の個数: 72

約数和(自身を含む): 201867120

約数和(自身を除く): 135558180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 947, 1167, 1556, 1894, 1945, 2334, 2841, 3501, 3788, 3890, 4668, 4735, 5682, 5835, 7002, 7780, 8523, 9470, 11364, 11670, 14004, 14205, 17046, 17505, 18940, 23340, 28410, 34092, 35010, 42615, 56820, 70020, 85230, 170460, 368383, 736766, 1105149, 1473532, 1841915, 2210298, 3315447, 3683830, 4420596, 5525745, 6630894, 7367660, 11051490, 13261788, 16577235, 22102980, 33154470, 66308940]

約数ペア:

[(1, 66308940), (2, 33154470), (3, 22102980), (4, 16577235), (5, 13261788), (6, 11051490), (9, 7367660), (10, 6630894), (12, 5525745), (15, 4420596), (18, 3683830), (20, 3315447), (30, 2210298), (36, 1841915), (45, 1473532), (60, 1105149), (90, 736766), (180, 368383), (389, 170460), (778, 85230), (947, 70020), (1167, 56820), (1556, 42615), (1894, 35010), (1945, 34092), (2334, 28410), (2841, 23340), (3501, 18940), (3788, 17505), (3890, 17046), (4668, 14205), (4735, 14004), (5682, 11670), (5835, 11364), (7002, 9470), (7780, 8523)]