81945570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6397}}^1$

素因数の和:6475

約数の個数: 64

約数和(自身を含む): 228485376

約数和(自身を除く): 146539806

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1830, 2135, 2562, 4270, 6397, 6405, 12794, 12810, 19191, 31985, 38382, 44779, 63970, 89558, 95955, 134337, 191910, 223895, 268674, 390217, 447790, 671685, 780434, 1170651, 1343370, 1951085, 2341302, 2731519, 3902170, 5463038, 5853255, 8194557, 11706510, 13657595, 16389114, 27315190, 40972785, 81945570]

約数ペア:

[(1, 81945570), (2, 40972785), (3, 27315190), (5, 16389114), (6, 13657595), (7, 11706510), (10, 8194557), (14, 5853255), (15, 5463038), (21, 3902170), (30, 2731519), (35, 2341302), (42, 1951085), (61, 1343370), (70, 1170651), (105, 780434), (122, 671685), (183, 447790), (210, 390217), (305, 268674), (366, 223895), (427, 191910), (610, 134337), (854, 95955), (915, 89558), (1281, 63970), (1830, 44779), (2135, 38382), (2562, 31985), (4270, 19191), (6397, 12810), (6405, 12794)]