205057170

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{253157}}^1$

素因数の和:253176

約数の個数: 40

約数和(自身を含む): 551378124

約数和(自身を除く): 346320954

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 253157, 506314, 759471, 1265785, 1518942, 2278413, 2531570, 3797355, 4556826, 6835239, 7594710, 11392065, 13670478, 20505717, 22784130, 34176195, 41011434, 68352390, 102528585, 205057170]

約数ペア:

[(1, 205057170), (2, 102528585), (3, 68352390), (5, 41011434), (6, 34176195), (9, 22784130), (10, 20505717), (15, 13670478), (18, 11392065), (27, 7594710), (30, 6835239), (45, 4556826), (54, 3797355), (81, 2531570), (90, 2278413), (135, 1518942), (162, 1265785), (270, 759471), (405, 506314), (810, 253157)]