209817120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{839}}^1$

素因数の和:1378

約数の個数: 96

約数和(自身を含む): 662981760

約数和(自身を除く): 453164640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 521, 839, 1042, 1563, 1678, 2084, 2517, 2605, 3126, 3356, 4168, 4195, 5034, 5210, 6252, 6712, 7815, 8336, 8390, 10068, 10420, 12504, 12585, 13424, 15630, 16672, 16780, 20136, 20840, 25008, 25170, 26848, 31260, 33560, 40272, 41680, 50016, 50340, 62520, 67120, 80544, 83360, 100680, 125040, 134240, 201360, 250080, 402720, 437119, 874238, 1311357, 1748476, 2185595, 2622714, 3496952, 4371190, 5245428, 6556785, 6993904, 8742380, 10490856, 13113570, 13987808, 17484760, 20981712, 26227140, 34969520, 41963424, 52454280, 69939040, 104908560, 209817120]

約数ペア:

[(1, 209817120), (2, 104908560), (3, 69939040), (4, 52454280), (5, 41963424), (6, 34969520), (8, 26227140), (10, 20981712), (12, 17484760), (15, 13987808), (16, 13113570), (20, 10490856), (24, 8742380), (30, 6993904), (32, 6556785), (40, 5245428), (48, 4371190), (60, 3496952), (80, 2622714), (96, 2185595), (120, 1748476), (160, 1311357), (240, 874238), (480, 437119), (521, 402720), (839, 250080), (1042, 201360), (1563, 134240), (1678, 125040), (2084, 100680), (2517, 83360), (2605, 80544), (3126, 67120), (3356, 62520), (4168, 50340), (4195, 50016), (5034, 41680), (5210, 40272), (6252, 33560), (6712, 31260), (7815, 26848), (8336, 25170), (8390, 25008), (10068, 20840), (10420, 20136), (12504, 16780), (12585, 16672), (13424, 15630)]