1247992880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{14431}}^1$

素因数の和:14514

約数の個数: 80

約数和(自身を含む): 3092373504

約数和(自身を除く): 1844380624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 920, 940, 1081, 1840, 1880, 2162, 3760, 4324, 5405, 8648, 10810, 14431, 17296, 21620, 28862, 43240, 57724, 72155, 86480, 115448, 144310, 230896, 288620, 331913, 577240, 663826, 678257, 1154480, 1327652, 1356514, 1659565, 2655304, 2713028, 3319130, 3391285, 5310608, 5426056, 6638260, 6782570, 10852112, 13276520, 13565140, 15599911, 26553040, 27130280, 31199822, 54260560, 62399644, 77999555, 124799288, 155999110, 249598576, 311998220, 623996440, 1247992880]

約数ペア:

[(1, 1247992880), (2, 623996440), (4, 311998220), (5, 249598576), (8, 155999110), (10, 124799288), (16, 77999555), (20, 62399644), (23, 54260560), (40, 31199822), (46, 27130280), (47, 26553040), (80, 15599911), (92, 13565140), (94, 13276520), (115, 10852112), (184, 6782570), (188, 6638260), (230, 5426056), (235, 5310608), (368, 3391285), (376, 3319130), (460, 2713028), (470, 2655304), (752, 1659565), (920, 1356514), (940, 1327652), (1081, 1154480), (1840, 678257), (1880, 663826), (2162, 577240), (3760, 331913), (4324, 288620), (5405, 230896), (8648, 144310), (10810, 115448), (14431, 86480), (17296, 72155), (21620, 57724), (28862, 43240)]