77645960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6449}}^1$

素因数の和:6510

約数の個数: 64

約数和(自身を含む): 204336000

約数和(自身を除く): 126690040

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, 6449, 12040, 12898, 25796, 32245, 45143, 51592, 64490, 90286, 128980, 180572, 225715, 257960, 277307, 361144, 451430, 554614, 902860, 1109228, 1386535, 1805720, 1941149, 2218456, 2773070, 3882298, 5546140, 7764596, 9705745, 11092280, 15529192, 19411490, 38822980, 77645960]

約数ペア:

[(1, 77645960), (2, 38822980), (4, 19411490), (5, 15529192), (7, 11092280), (8, 9705745), (10, 7764596), (14, 5546140), (20, 3882298), (28, 2773070), (35, 2218456), (40, 1941149), (43, 1805720), (56, 1386535), (70, 1109228), (86, 902860), (140, 554614), (172, 451430), (215, 361144), (280, 277307), (301, 257960), (344, 225715), (430, 180572), (602, 128980), (860, 90286), (1204, 64490), (1505, 51592), (1720, 45143), (2408, 32245), (3010, 25796), (6020, 12898), (6449, 12040)]