81875070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4358

約数の個数: 64

約数和(自身を含む): 221460480

約数和(自身を除く): 139585410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2130, 3195, 3834, 4271, 6390, 8542, 9585, 12813, 19170, 21355, 25626, 38439, 42710, 64065, 76878, 115317, 128130, 192195, 230634, 303241, 384390, 576585, 606482, 909723, 1153170, 1516205, 1819446, 2729169, 3032410, 4548615, 5458338, 8187507, 9097230, 13645845, 16375014, 27291690, 40937535, 81875070]

約数ペア:

[(1, 81875070), (2, 40937535), (3, 27291690), (5, 16375014), (6, 13645845), (9, 9097230), (10, 8187507), (15, 5458338), (18, 4548615), (27, 3032410), (30, 2729169), (45, 1819446), (54, 1516205), (71, 1153170), (90, 909723), (135, 606482), (142, 576585), (213, 384390), (270, 303241), (355, 230634), (426, 192195), (639, 128130), (710, 115317), (1065, 76878), (1278, 64065), (1917, 42710), (2130, 38439), (3195, 25626), (3834, 21355), (4271, 19170), (6390, 12813), (8542, 9585)]