77632740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1303}}^1$

素因数の和:1649

約数の個数: 72

約数和(自身を含む): 236378688

約数和(自身を除く): 158745948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1303, 1324, 1655, 1986, 2606, 2979, 3310, 3909, 3972, 4965, 5212, 5958, 6515, 6620, 7818, 9930, 11727, 11916, 13030, 14895, 15636, 19545, 19860, 23454, 26060, 29790, 39090, 46908, 58635, 59580, 78180, 117270, 234540, 431293, 862586, 1293879, 1725172, 2156465, 2587758, 3881637, 4312930, 5175516, 6469395, 7763274, 8625860, 12938790, 15526548, 19408185, 25877580, 38816370, 77632740]

約数ペア:

[(1, 77632740), (2, 38816370), (3, 25877580), (4, 19408185), (5, 15526548), (6, 12938790), (9, 8625860), (10, 7763274), (12, 6469395), (15, 5175516), (18, 4312930), (20, 3881637), (30, 2587758), (36, 2156465), (45, 1725172), (60, 1293879), (90, 862586), (180, 431293), (331, 234540), (662, 117270), (993, 78180), (1303, 59580), (1324, 58635), (1655, 46908), (1986, 39090), (2606, 29790), (2979, 26060), (3310, 23454), (3909, 19860), (3972, 19545), (4965, 15636), (5212, 14895), (5958, 13030), (6515, 11916), (6620, 11727), (7818, 9930)]