81252210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1327}}^1$

素因数の和:1507

約数の個数: 64

約数和(自身を含む): 211502592

約数和(自身を除く): 130250382

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 314, 390, 471, 785, 942, 1327, 1570, 2041, 2355, 2654, 3981, 4082, 4710, 6123, 6635, 7962, 10205, 12246, 13270, 17251, 19905, 20410, 30615, 34502, 39810, 51753, 61230, 86255, 103506, 172510, 208339, 258765, 416678, 517530, 625017, 1041695, 1250034, 2083390, 2708407, 3125085, 5416814, 6250170, 8125221, 13542035, 16250442, 27084070, 40626105, 81252210]

約数ペア:

[(1, 81252210), (2, 40626105), (3, 27084070), (5, 16250442), (6, 13542035), (10, 8125221), (13, 6250170), (15, 5416814), (26, 3125085), (30, 2708407), (39, 2083390), (65, 1250034), (78, 1041695), (130, 625017), (157, 517530), (195, 416678), (314, 258765), (390, 208339), (471, 172510), (785, 103506), (942, 86255), (1327, 61230), (1570, 51753), (2041, 39810), (2355, 34502), (2654, 30615), (3981, 20410), (4082, 19905), (4710, 17251), (6123, 13270), (6635, 12246), (7962, 10205)]