81277020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4561}}^1$

素因数の和:4593

約数の個数: 120

約数和(自身を含む): 278209008

約数和(自身を除く): 196931988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1782, 1980, 2970, 3564, 4455, 4561, 5940, 8910, 9122, 13683, 17820, 18244, 22805, 27366, 41049, 45610, 50171, 54732, 68415, 82098, 91220, 100342, 123147, 136830, 150513, 164196, 200684, 205245, 246294, 250855, 273660, 301026, 369441, 410490, 451539, 492588, 501710, 602052, 615735, 738882, 752565, 820980, 903078, 1003420, 1231470, 1354617, 1477764, 1505130, 1806156, 1847205, 2257695, 2462940, 2709234, 3010260, 3694410, 4063851, 4515390, 5418468, 6773085, 7388820, 8127702, 9030780, 13546170, 16255404, 20319255, 27092340, 40638510, 81277020]

約数ペア:

[(1, 81277020), (2, 40638510), (3, 27092340), (4, 20319255), (5, 16255404), (6, 13546170), (9, 9030780), (10, 8127702), (11, 7388820), (12, 6773085), (15, 5418468), (18, 4515390), (20, 4063851), (22, 3694410), (27, 3010260), (30, 2709234), (33, 2462940), (36, 2257695), (44, 1847205), (45, 1806156), (54, 1505130), (55, 1477764), (60, 1354617), (66, 1231470), (81, 1003420), (90, 903078), (99, 820980), (108, 752565), (110, 738882), (132, 615735), (135, 602052), (162, 501710), (165, 492588), (180, 451539), (198, 410490), (220, 369441), (270, 301026), (297, 273660), (324, 250855), (330, 246294), (396, 205245), (405, 200684), (495, 164196), (540, 150513), (594, 136830), (660, 123147), (810, 100342), (891, 91220), (990, 82098), (1188, 68415), (1485, 54732), (1620, 50171), (1782, 45610), (1980, 41049), (2970, 27366), (3564, 22805), (4455, 18244), (4561, 17820), (5940, 13683), (8910, 9122)]