81696420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34913}}^1$

素因数の和:34941

約数の個数: 72

約数和(自身を含む): 266882616

約数和(自身を除く): 185186196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 34913, 69826, 104739, 139652, 174565, 209478, 314217, 349130, 418956, 453869, 523695, 628434, 698260, 907738, 1047390, 1256868, 1361607, 1571085, 1815476, 2094780, 2269345, 2723214, 3142170, 4084821, 4538690, 5446428, 6284340, 6808035, 8169642, 9077380, 13616070, 16339284, 20424105, 27232140, 40848210, 81696420]

約数ペア:

[(1, 81696420), (2, 40848210), (3, 27232140), (4, 20424105), (5, 16339284), (6, 13616070), (9, 9077380), (10, 8169642), (12, 6808035), (13, 6284340), (15, 5446428), (18, 4538690), (20, 4084821), (26, 3142170), (30, 2723214), (36, 2269345), (39, 2094780), (45, 1815476), (52, 1571085), (60, 1361607), (65, 1256868), (78, 1047390), (90, 907738), (117, 698260), (130, 628434), (156, 523695), (180, 453869), (195, 418956), (234, 349130), (260, 314217), (390, 209478), (468, 174565), (585, 139652), (780, 104739), (1170, 69826), (2340, 34913)]