68420955

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 119420928

約数和(自身を除く): 50999973

約数列:

[1, 3, 5, 15, 37, 43, 47, 61, 111, 129, 141, 183, 185, 215, 235, 305, 555, 645, 705, 915, 1591, 1739, 2021, 2257, 2623, 2867, 4773, 5217, 6063, 6771, 7869, 7955, 8601, 8695, 10105, 11285, 13115, 14335, 23865, 26085, 30315, 33855, 39345, 43005, 74777, 97051, 106079, 123281, 224331, 291153, 318237, 369843, 373885, 485255, 530395, 616405, 1121655, 1455765, 1591185, 1849215, 4561397, 13684191, 22806985, 68420955]

約数ペア:

[(1, 68420955), (3, 22806985), (5, 13684191), (15, 4561397), (37, 1849215), (43, 1591185), (47, 1455765), (61, 1121655), (111, 616405), (129, 530395), (141, 485255), (183, 373885), (185, 369843), (215, 318237), (235, 291153), (305, 224331), (555, 123281), (645, 106079), (705, 97051), (915, 74777), (1591, 43005), (1739, 39345), (2021, 33855), (2257, 30315), (2623, 26085), (2867, 23865), (4773, 14335), (5217, 13115), (6063, 11285), (6771, 10105), (7869, 8695), (7955, 8601)]