78087140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 180956160

約数和(自身を除く): 102869020

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 43, 58, 62, 86, 101, 116, 124, 145, 155, 172, 202, 215, 290, 310, 404, 430, 505, 580, 620, 860, 899, 1010, 1247, 1333, 1798, 2020, 2494, 2666, 2929, 3131, 3596, 4343, 4495, 4988, 5332, 5858, 6235, 6262, 6665, 8686, 8990, 11716, 12470, 12524, 13330, 14645, 15655, 17372, 17980, 21715, 24940, 26660, 29290, 31310, 38657, 43430, 58580, 62620, 77314, 86860, 90799, 125947, 134633, 154628, 181598, 193285, 251894, 269266, 363196, 386570, 453995, 503788, 538532, 629735, 673165, 773140, 907990, 1259470, 1346330, 1815980, 2518940, 2692660, 3904357, 7808714, 15617428, 19521785, 39043570, 78087140]

約数ペア:

[(1, 78087140), (2, 39043570), (4, 19521785), (5, 15617428), (10, 7808714), (20, 3904357), (29, 2692660), (31, 2518940), (43, 1815980), (58, 1346330), (62, 1259470), (86, 907990), (101, 773140), (116, 673165), (124, 629735), (145, 538532), (155, 503788), (172, 453995), (202, 386570), (215, 363196), (290, 269266), (310, 251894), (404, 193285), (430, 181598), (505, 154628), (580, 134633), (620, 125947), (860, 90799), (899, 86860), (1010, 77314), (1247, 62620), (1333, 58580), (1798, 43430), (2020, 38657), (2494, 31310), (2666, 29290), (2929, 26660), (3131, 24940), (3596, 21715), (4343, 17980), (4495, 17372), (4988, 15655), (5332, 14645), (5858, 13330), (6235, 12524), (6262, 12470), (6665, 11716), (8686, 8990)]