78151640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6491}}^1$

素因数の和:6552

約数の個数: 64

約数和(自身を含む): 205666560

約数和(自身を除く): 127514920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 6491, 12040, 12982, 25964, 32455, 45437, 51928, 64910, 90874, 129820, 181748, 227185, 259640, 279113, 363496, 454370, 558226, 908740, 1116452, 1395565, 1817480, 1953791, 2232904, 2791130, 3907582, 5582260, 7815164, 9768955, 11164520, 15630328, 19537910, 39075820, 78151640]

約数ペア:

[(1, 78151640), (2, 39075820), (4, 19537910), (5, 15630328), (7, 11164520), (8, 9768955), (10, 7815164), (14, 5582260), (20, 3907582), (28, 2791130), (35, 2232904), (40, 1953791), (43, 1817480), (56, 1395565), (70, 1116452), (86, 908740), (140, 558226), (172, 454370), (215, 363496), (280, 279113), (301, 259640), (344, 227185), (430, 181748), (602, 129820), (860, 90874), (1204, 64910), (1505, 51928), (1720, 45437), (2408, 32455), (3010, 25964), (6020, 12982), (6491, 12040)]