256276410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1291}}^1$

素因数の和:1823

約数の個数: 64

約数和(自身を含む): 664191360

約数和(自身を除く): 407914950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 509, 1018, 1291, 1527, 2545, 2582, 3054, 3873, 5090, 6455, 6617, 7635, 7746, 12910, 13234, 15270, 16783, 19365, 19851, 33085, 33566, 38730, 39702, 50349, 66170, 83915, 99255, 100698, 167830, 198510, 251745, 503490, 657119, 1314238, 1971357, 3285595, 3942714, 6571190, 8542547, 9856785, 17085094, 19713570, 25627641, 42712735, 51255282, 85425470, 128138205, 256276410]

約数ペア:

[(1, 256276410), (2, 128138205), (3, 85425470), (5, 51255282), (6, 42712735), (10, 25627641), (13, 19713570), (15, 17085094), (26, 9856785), (30, 8542547), (39, 6571190), (65, 3942714), (78, 3285595), (130, 1971357), (195, 1314238), (390, 657119), (509, 503490), (1018, 251745), (1291, 198510), (1527, 167830), (2545, 100698), (2582, 99255), (3054, 83915), (3873, 66170), (5090, 50349), (6455, 39702), (6617, 38730), (7635, 33566), (7746, 33085), (12910, 19851), (13234, 19365), (15270, 16783)]