81628290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8171}}^1$

素因数の和:8224

約数の個数: 64

約数和(自身を含む): 223585920

約数和(自身を除く): 141957630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 8171, 9990, 16342, 24513, 40855, 49026, 73539, 81710, 122565, 147078, 220617, 245130, 302327, 367695, 441234, 604654, 735390, 906981, 1103085, 1511635, 1813962, 2206170, 2720943, 3023270, 4534905, 5441886, 8162829, 9069810, 13604715, 16325658, 27209430, 40814145, 81628290]

約数ペア:

[(1, 81628290), (2, 40814145), (3, 27209430), (5, 16325658), (6, 13604715), (9, 9069810), (10, 8162829), (15, 5441886), (18, 4534905), (27, 3023270), (30, 2720943), (37, 2206170), (45, 1813962), (54, 1511635), (74, 1103085), (90, 906981), (111, 735390), (135, 604654), (185, 441234), (222, 367695), (270, 302327), (333, 245130), (370, 220617), (555, 147078), (666, 122565), (999, 81710), (1110, 73539), (1665, 49026), (1998, 40855), (3330, 24513), (4995, 16342), (8171, 9990)]