31688100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 108

約数和(自身を含む): 100438884

約数和(自身を除く): 68750784

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 137, 150, 180, 225, 257, 274, 300, 411, 450, 514, 548, 685, 771, 822, 900, 1028, 1233, 1285, 1370, 1542, 1644, 2055, 2313, 2466, 2570, 2740, 3084, 3425, 3855, 4110, 4626, 4932, 5140, 6165, 6425, 6850, 7710, 8220, 9252, 10275, 11565, 12330, 12850, 13700, 15420, 19275, 20550, 23130, 24660, 25700, 30825, 35209, 38550, 41100, 46260, 57825, 61650, 70418, 77100, 105627, 115650, 123300, 140836, 176045, 211254, 231300, 316881, 352090, 422508, 528135, 633762, 704180, 880225, 1056270, 1267524, 1584405, 1760450, 2112540, 2640675, 3168810, 3520900, 5281350, 6337620, 7922025, 10562700, 15844050, 31688100]

約数ペア:

[(1, 31688100), (2, 15844050), (3, 10562700), (4, 7922025), (5, 6337620), (6, 5281350), (9, 3520900), (10, 3168810), (12, 2640675), (15, 2112540), (18, 1760450), (20, 1584405), (25, 1267524), (30, 1056270), (36, 880225), (45, 704180), (50, 633762), (60, 528135), (75, 422508), (90, 352090), (100, 316881), (137, 231300), (150, 211254), (180, 176045), (225, 140836), (257, 123300), (274, 115650), (300, 105627), (411, 77100), (450, 70418), (514, 61650), (548, 57825), (685, 46260), (771, 41100), (822, 38550), (900, 35209), (1028, 30825), (1233, 25700), (1285, 24660), (1370, 23130), (1542, 20550), (1644, 19275), (2055, 15420), (2313, 13700), (2466, 12850), (2570, 12330), (2740, 11565), (3084, 10275), (3425, 9252), (3855, 8220), (4110, 7710), (4626, 6850), (4932, 6425), (5140, 6165)]