206188020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21613}}^1$

素因数の和:21681

約数の個数: 72

約数和(自身を含む): 637267176

約数和(自身を除く): 431079156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 21613, 43226, 64839, 86452, 108065, 129678, 194517, 216130, 259356, 324195, 389034, 432260, 648390, 778068, 972585, 1145489, 1296780, 1945170, 2290978, 3436467, 3890340, 4581956, 5727445, 6872934, 10309401, 11454890, 13745868, 17182335, 20618802, 22909780, 34364670, 41237604, 51547005, 68729340, 103094010, 206188020]

約数ペア:

[(1, 206188020), (2, 103094010), (3, 68729340), (4, 51547005), (5, 41237604), (6, 34364670), (9, 22909780), (10, 20618802), (12, 17182335), (15, 13745868), (18, 11454890), (20, 10309401), (30, 6872934), (36, 5727445), (45, 4581956), (53, 3890340), (60, 3436467), (90, 2290978), (106, 1945170), (159, 1296780), (180, 1145489), (212, 972585), (265, 778068), (318, 648390), (477, 432260), (530, 389034), (636, 324195), (795, 259356), (954, 216130), (1060, 194517), (1590, 129678), (1908, 108065), (2385, 86452), (3180, 64839), (4770, 43226), (9540, 21613)]