61578760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 147996720

約数和(自身を除く): 86417960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 340, 548, 661, 680, 685, 1096, 1322, 1370, 2329, 2644, 2740, 3305, 4658, 5288, 5480, 6610, 9316, 11237, 11645, 13220, 18632, 22474, 23290, 26440, 44948, 46580, 56185, 89896, 90557, 93160, 112370, 181114, 224740, 362228, 449480, 452785, 724456, 905570, 1539469, 1811140, 3078938, 3622280, 6157876, 7697345, 12315752, 15394690, 30789380, 61578760]

約数ペア:

[(1, 61578760), (2, 30789380), (4, 15394690), (5, 12315752), (8, 7697345), (10, 6157876), (17, 3622280), (20, 3078938), (34, 1811140), (40, 1539469), (68, 905570), (85, 724456), (136, 452785), (137, 449480), (170, 362228), (274, 224740), (340, 181114), (548, 112370), (661, 93160), (680, 90557), (685, 89896), (1096, 56185), (1322, 46580), (1370, 44948), (2329, 26440), (2644, 23290), (2740, 22474), (3305, 18632), (4658, 13220), (5288, 11645), (5480, 11237), (6610, 9316)]