17640420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 57163008

約数和(自身を除く): 39522588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 433, 485, 582, 679, 866, 970, 1164, 1299, 1358, 1455, 1732, 1940, 2037, 2165, 2598, 2716, 2910, 3031, 3395, 4074, 4330, 5196, 5820, 6062, 6495, 6790, 8148, 8660, 9093, 10185, 12124, 12990, 13580, 15155, 18186, 20370, 25980, 30310, 36372, 40740, 42001, 45465, 60620, 84002, 90930, 126003, 168004, 181860, 210005, 252006, 294007, 420010, 504012, 588014, 630015, 840020, 882021, 1176028, 1260030, 1470035, 1764042, 2520060, 2940070, 3528084, 4410105, 5880140, 8820210, 17640420]

約数ペア:

[(1, 17640420), (2, 8820210), (3, 5880140), (4, 4410105), (5, 3528084), (6, 2940070), (7, 2520060), (10, 1764042), (12, 1470035), (14, 1260030), (15, 1176028), (20, 882021), (21, 840020), (28, 630015), (30, 588014), (35, 504012), (42, 420010), (60, 294007), (70, 252006), (84, 210005), (97, 181860), (105, 168004), (140, 126003), (194, 90930), (210, 84002), (291, 60620), (388, 45465), (420, 42001), (433, 40740), (485, 36372), (582, 30310), (679, 25980), (866, 20370), (970, 18186), (1164, 15155), (1299, 13580), (1358, 12990), (1455, 12124), (1732, 10185), (1940, 9093), (2037, 8660), (2165, 8148), (2598, 6790), (2716, 6495), (2910, 6062), (3031, 5820), (3395, 5196), (4074, 4330)]