64883920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 159096960

約数和(自身を除く): 94213040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 179, 184, 197, 230, 358, 368, 394, 460, 716, 788, 895, 920, 985, 1432, 1576, 1790, 1840, 1970, 2864, 3152, 3580, 3940, 4117, 4531, 7160, 7880, 8234, 9062, 14320, 15760, 16468, 18124, 20585, 22655, 32936, 35263, 36248, 41170, 45310, 65872, 70526, 72496, 82340, 90620, 141052, 164680, 176315, 181240, 282104, 329360, 352630, 362480, 564208, 705260, 811049, 1410520, 1622098, 2821040, 3244196, 4055245, 6488392, 8110490, 12976784, 16220980, 32441960, 64883920]

約数ペア:

[(1, 64883920), (2, 32441960), (4, 16220980), (5, 12976784), (8, 8110490), (10, 6488392), (16, 4055245), (20, 3244196), (23, 2821040), (40, 1622098), (46, 1410520), (80, 811049), (92, 705260), (115, 564208), (179, 362480), (184, 352630), (197, 329360), (230, 282104), (358, 181240), (368, 176315), (394, 164680), (460, 141052), (716, 90620), (788, 82340), (895, 72496), (920, 70526), (985, 65872), (1432, 45310), (1576, 41170), (1790, 36248), (1840, 35263), (1970, 32936), (2864, 22655), (3152, 20585), (3580, 18124), (3940, 16468), (4117, 15760), (4531, 14320), (7160, 9062), (7880, 8234)]