1851280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 4376952

約数和(自身を除く): 2525672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 317, 365, 584, 634, 730, 1168, 1268, 1460, 1585, 2536, 2920, 3170, 5072, 5840, 6340, 12680, 23141, 25360, 46282, 92564, 115705, 185128, 231410, 370256, 462820, 925640, 1851280]

約数ペア:

[(1, 1851280), (2, 925640), (4, 462820), (5, 370256), (8, 231410), (10, 185128), (16, 115705), (20, 92564), (40, 46282), (73, 25360), (80, 23141), (146, 12680), (292, 6340), (317, 5840), (365, 5072), (584, 3170), (634, 2920), (730, 2536), (1168, 1585), (1268, 1460)]