1617366640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{56003}}^1$

素因数の和:56054

約数の個数: 60

約数和(自身を含む): 3968779464

約数和(自身を除く): 2351412824

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7220, 14440, 28880, 56003, 112006, 224012, 280015, 448024, 560030, 896048, 1064057, 1120060, 2128114, 2240120, 4256228, 4480240, 5320285, 8512456, 10640570, 17024912, 20217083, 21281140, 40434166, 42562280, 80868332, 85124560, 101085415, 161736664, 202170830, 323473328, 404341660, 808683320, 1617366640]

約数ペア:

[(1, 1617366640), (2, 808683320), (4, 404341660), (5, 323473328), (8, 202170830), (10, 161736664), (16, 101085415), (19, 85124560), (20, 80868332), (38, 42562280), (40, 40434166), (76, 21281140), (80, 20217083), (95, 17024912), (152, 10640570), (190, 8512456), (304, 5320285), (361, 4480240), (380, 4256228), (722, 2240120), (760, 2128114), (1444, 1120060), (1520, 1064057), (1805, 896048), (2888, 560030), (3610, 448024), (5776, 280015), (7220, 224012), (14440, 112006), (28880, 56003)]