155643560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4049}}^1$

素因数の和:4122

約数の個数: 48

約数和(自身を含む): 361948500

約数和(自身を除く): 206304940

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4049, 4805, 7688, 8098, 9610, 16196, 19220, 20245, 32392, 38440, 40490, 80980, 125519, 161960, 251038, 502076, 627595, 1004152, 1255190, 2510380, 3891089, 5020760, 7782178, 15564356, 19455445, 31128712, 38910890, 77821780, 155643560]

約数ペア:

[(1, 155643560), (2, 77821780), (4, 38910890), (5, 31128712), (8, 19455445), (10, 15564356), (20, 7782178), (31, 5020760), (40, 3891089), (62, 2510380), (124, 1255190), (155, 1004152), (248, 627595), (310, 502076), (620, 251038), (961, 161960), (1240, 125519), (1922, 80980), (3844, 40490), (4049, 38440), (4805, 32392), (7688, 20245), (8098, 19220), (9610, 16196)]