81730890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1117}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 218949120

約数和(自身を除く): 137218230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 271, 542, 813, 1117, 1355, 1626, 2234, 2439, 2710, 3351, 4065, 4878, 5585, 6702, 7317, 8130, 10053, 11170, 12195, 14634, 16755, 20106, 24390, 30159, 33510, 36585, 50265, 60318, 73170, 100530, 150795, 301590, 302707, 605414, 908121, 1513535, 1816242, 2724363, 3027070, 4540605, 5448726, 8173089, 9081210, 13621815, 16346178, 27243630, 40865445, 81730890]

約数ペア:

[(1, 81730890), (2, 40865445), (3, 27243630), (5, 16346178), (6, 13621815), (9, 9081210), (10, 8173089), (15, 5448726), (18, 4540605), (27, 3027070), (30, 2724363), (45, 1816242), (54, 1513535), (90, 908121), (135, 605414), (270, 302707), (271, 301590), (542, 150795), (813, 100530), (1117, 73170), (1355, 60318), (1626, 50265), (2234, 36585), (2439, 33510), (2710, 30159), (3351, 24390), (4065, 20106), (4878, 16755), (5585, 14634), (6702, 12195), (7317, 11170), (8130, 10053)]