66490040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 163555200

約数和(自身を除く): 97065160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 43, 58, 62, 86, 116, 124, 145, 155, 172, 215, 232, 248, 290, 310, 344, 430, 580, 620, 860, 899, 1160, 1240, 1247, 1333, 1720, 1798, 1849, 2494, 2666, 3596, 3698, 4495, 4988, 5332, 6235, 6665, 7192, 7396, 8990, 9245, 9976, 10664, 12470, 13330, 14792, 17980, 18490, 24940, 26660, 35960, 36980, 38657, 49880, 53320, 53621, 57319, 73960, 77314, 107242, 114638, 154628, 193285, 214484, 229276, 268105, 286595, 309256, 386570, 428968, 458552, 536210, 573190, 773140, 1072420, 1146380, 1546280, 1662251, 2144840, 2292760, 3324502, 6649004, 8311255, 13298008, 16622510, 33245020, 66490040]

約数ペア:

[(1, 66490040), (2, 33245020), (4, 16622510), (5, 13298008), (8, 8311255), (10, 6649004), (20, 3324502), (29, 2292760), (31, 2144840), (40, 1662251), (43, 1546280), (58, 1146380), (62, 1072420), (86, 773140), (116, 573190), (124, 536210), (145, 458552), (155, 428968), (172, 386570), (215, 309256), (232, 286595), (248, 268105), (290, 229276), (310, 214484), (344, 193285), (430, 154628), (580, 114638), (620, 107242), (860, 77314), (899, 73960), (1160, 57319), (1240, 53621), (1247, 53320), (1333, 49880), (1720, 38657), (1798, 36980), (1849, 35960), (2494, 26660), (2666, 24940), (3596, 18490), (3698, 17980), (4495, 14792), (4988, 13330), (5332, 12470), (6235, 10664), (6665, 9976), (7192, 9245), (7396, 8990)]