627845680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:707

約数の個数: 160

約数和(自身を含む): 1832025600

約数和(自身を除く): 1204179920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 227, 280, 308, 385, 440, 449, 454, 560, 616, 770, 880, 898, 908, 1135, 1232, 1540, 1589, 1796, 1816, 2245, 2270, 2497, 3080, 3143, 3178, 3592, 3632, 4490, 4540, 4939, 4994, 6160, 6286, 6356, 7184, 7945, 8980, 9080, 9878, 9988, 12485, 12572, 12712, 15715, 15890, 17479, 17960, 18160, 19756, 19976, 24695, 24970, 25144, 25424, 31430, 31780, 34573, 34958, 35920, 39512, 39952, 49390, 49940, 50288, 62860, 63560, 69146, 69916, 79024, 87395, 98780, 99880, 101923, 125720, 127120, 138292, 139832, 172865, 174790, 197560, 199760, 203846, 251440, 276584, 279664, 345730, 349580, 395120, 407692, 509615, 553168, 691460, 699160, 713461, 815384, 1019230, 1121153, 1382920, 1398320, 1426922, 1630768, 2038460, 2242306, 2765840, 2853844, 3567305, 4076920, 4484612, 5605765, 5707688, 7134610, 7848071, 8153840, 8969224, 11211530, 11415376, 14269220, 15696142, 17938448, 22423060, 28538440, 31392284, 39240355, 44846120, 57076880, 62784568, 78480710, 89692240, 125569136, 156961420, 313922840, 627845680]

約数ペア:

[(1, 627845680), (2, 313922840), (4, 156961420), (5, 125569136), (7, 89692240), (8, 78480710), (10, 62784568), (11, 57076880), (14, 44846120), (16, 39240355), (20, 31392284), (22, 28538440), (28, 22423060), (35, 17938448), (40, 15696142), (44, 14269220), (55, 11415376), (56, 11211530), (70, 8969224), (77, 8153840), (80, 7848071), (88, 7134610), (110, 5707688), (112, 5605765), (140, 4484612), (154, 4076920), (176, 3567305), (220, 2853844), (227, 2765840), (280, 2242306), (308, 2038460), (385, 1630768), (440, 1426922), (449, 1398320), (454, 1382920), (560, 1121153), (616, 1019230), (770, 815384), (880, 713461), (898, 699160), (908, 691460), (1135, 553168), (1232, 509615), (1540, 407692), (1589, 395120), (1796, 349580), (1816, 345730), (2245, 279664), (2270, 276584), (2497, 251440), (3080, 203846), (3143, 199760), (3178, 197560), (3592, 174790), (3632, 172865), (4490, 139832), (4540, 138292), (4939, 127120), (4994, 125720), (6160, 101923), (6286, 99880), (6356, 98780), (7184, 87395), (7945, 79024), (8980, 69916), (9080, 69146), (9878, 63560), (9988, 62860), (12485, 50288), (12572, 49940), (12712, 49390), (15715, 39952), (15890, 39512), (17479, 35920), (17960, 34958), (18160, 34573), (19756, 31780), (19976, 31430), (24695, 25424), (24970, 25144)]