128385105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 228096000

約数和(自身を除く): 99710895

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 109, 149, 155, 255, 327, 447, 465, 527, 545, 745, 1581, 1635, 1853, 2235, 2533, 2635, 3379, 4619, 5559, 7599, 7905, 9265, 10137, 12665, 13857, 16241, 16895, 23095, 27795, 37995, 48723, 50685, 57443, 69285, 78523, 81205, 172329, 235569, 243615, 276097, 287215, 392615, 503471, 828291, 861645, 1177845, 1380485, 1510413, 2517355, 4141455, 7552065, 8559007, 25677021, 42795035, 128385105]

約数ペア:

[(1, 128385105), (3, 42795035), (5, 25677021), (15, 8559007), (17, 7552065), (31, 4141455), (51, 2517355), (85, 1510413), (93, 1380485), (109, 1177845), (149, 861645), (155, 828291), (255, 503471), (327, 392615), (447, 287215), (465, 276097), (527, 243615), (545, 235569), (745, 172329), (1581, 81205), (1635, 78523), (1853, 69285), (2235, 57443), (2533, 50685), (2635, 48723), (3379, 37995), (4619, 27795), (5559, 23095), (7599, 16895), (7905, 16241), (9265, 13857), (10137, 12665)]