155057140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{599}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 381628800

約数和(自身を除く): 226571660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 599, 602, 860, 1198, 1204, 1505, 1849, 2396, 2995, 3010, 3698, 4193, 5990, 6020, 7396, 8386, 9245, 11980, 12943, 16772, 18490, 20965, 25757, 25886, 36980, 41930, 51514, 51772, 64715, 83860, 103028, 128785, 129430, 180299, 257570, 258860, 360598, 515140, 721196, 901495, 1107551, 1802990, 2215102, 3605980, 4430204, 5537755, 7752857, 11075510, 15505714, 22151020, 31011428, 38764285, 77528570, 155057140]

約数ペア:

[(1, 155057140), (2, 77528570), (4, 38764285), (5, 31011428), (7, 22151020), (10, 15505714), (14, 11075510), (20, 7752857), (28, 5537755), (35, 4430204), (43, 3605980), (70, 2215102), (86, 1802990), (140, 1107551), (172, 901495), (215, 721196), (301, 515140), (430, 360598), (599, 258860), (602, 257570), (860, 180299), (1198, 129430), (1204, 128785), (1505, 103028), (1849, 83860), (2396, 64715), (2995, 51772), (3010, 51514), (3698, 41930), (4193, 36980), (5990, 25886), (6020, 25757), (7396, 20965), (8386, 18490), (9245, 16772), (11980, 12943)]