2012178375

素因数分解:

$3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31379}}^1$

素因数の和:31422

約数の個数: 64

約数和(自身を含む): 3916224000

約数和(自身を除く): 1904045625

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 125, 135, 171, 225, 285, 375, 475, 513, 675, 855, 1125, 1425, 2375, 2565, 3375, 4275, 7125, 12825, 21375, 31379, 64125, 94137, 156895, 282411, 470685, 596201, 784475, 847233, 1412055, 1788603, 2353425, 2981005, 3922375, 4236165, 5365809, 7060275, 8943015, 11767125, 14905025, 16097427, 21180825, 26829045, 35301375, 44715075, 74525125, 80487135, 105904125, 134145225, 223575375, 402435675, 670726125, 2012178375]

約数ペア:

[(1, 2012178375), (3, 670726125), (5, 402435675), (9, 223575375), (15, 134145225), (19, 105904125), (25, 80487135), (27, 74525125), (45, 44715075), (57, 35301375), (75, 26829045), (95, 21180825), (125, 16097427), (135, 14905025), (171, 11767125), (225, 8943015), (285, 7060275), (375, 5365809), (475, 4236165), (513, 3922375), (675, 2981005), (855, 2353425), (1125, 1788603), (1425, 1412055), (2375, 847233), (2565, 784475), (3375, 596201), (4275, 470685), (7125, 282411), (12825, 156895), (21375, 94137), (31379, 64125)]