81636840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226769}}^1$

素因数の和:226786

約数の個数: 48

約数和(自身を含む): 265320900

約数和(自身を除く): 183684060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226769, 453538, 680307, 907076, 1133845, 1360614, 1814152, 2040921, 2267690, 2721228, 3401535, 4081842, 4535380, 5442456, 6803070, 8163684, 9070760, 10204605, 13606140, 16327368, 20409210, 27212280, 40818420, 81636840]

約数ペア:

[(1, 81636840), (2, 40818420), (3, 27212280), (4, 20409210), (5, 16327368), (6, 13606140), (8, 10204605), (9, 9070760), (10, 8163684), (12, 6803070), (15, 5442456), (18, 4535380), (20, 4081842), (24, 3401535), (30, 2721228), (36, 2267690), (40, 2040921), (45, 1814152), (60, 1360614), (72, 1133845), (90, 907076), (120, 680307), (180, 453538), (360, 226769)]