72243320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5003}}^1$

素因数の和:5052

約数の個数: 48

約数和(自身を含む): 171587160

約数和(自身を除く): 99343840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 5003, 7220, 10006, 14440, 20012, 25015, 40024, 50030, 95057, 100060, 190114, 200120, 380228, 475285, 760456, 950570, 1806083, 1901140, 3612166, 3802280, 7224332, 9030415, 14448664, 18060830, 36121660, 72243320]

約数ペア:

[(1, 72243320), (2, 36121660), (4, 18060830), (5, 14448664), (8, 9030415), (10, 7224332), (19, 3802280), (20, 3612166), (38, 1901140), (40, 1806083), (76, 950570), (95, 760456), (152, 475285), (190, 380228), (361, 200120), (380, 190114), (722, 100060), (760, 95057), (1444, 50030), (1805, 40024), (2888, 25015), (3610, 20012), (5003, 14440), (7220, 10006)]