7251720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 25401600

約数和(自身を除く): 18149880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 97, 105, 120, 140, 168, 178, 194, 210, 267, 280, 291, 356, 388, 420, 445, 485, 534, 582, 623, 679, 712, 776, 840, 890, 970, 1068, 1164, 1246, 1335, 1358, 1455, 1780, 1869, 1940, 2037, 2136, 2328, 2492, 2670, 2716, 2910, 3115, 3395, 3560, 3738, 3880, 4074, 4984, 5340, 5432, 5820, 6230, 6790, 7476, 8148, 8633, 9345, 10185, 10680, 11640, 12460, 13580, 14952, 16296, 17266, 18690, 20370, 24920, 25899, 27160, 34532, 37380, 40740, 43165, 51798, 60431, 69064, 74760, 81480, 86330, 103596, 120862, 129495, 172660, 181293, 207192, 241724, 258990, 302155, 345320, 362586, 483448, 517980, 604310, 725172, 906465, 1035960, 1208620, 1450344, 1812930, 2417240, 3625860, 7251720]

約数ペア:

[(1, 7251720), (2, 3625860), (3, 2417240), (4, 1812930), (5, 1450344), (6, 1208620), (7, 1035960), (8, 906465), (10, 725172), (12, 604310), (14, 517980), (15, 483448), (20, 362586), (21, 345320), (24, 302155), (28, 258990), (30, 241724), (35, 207192), (40, 181293), (42, 172660), (56, 129495), (60, 120862), (70, 103596), (84, 86330), (89, 81480), (97, 74760), (105, 69064), (120, 60431), (140, 51798), (168, 43165), (178, 40740), (194, 37380), (210, 34532), (267, 27160), (280, 25899), (291, 24920), (356, 20370), (388, 18690), (420, 17266), (445, 16296), (485, 14952), (534, 13580), (582, 12460), (623, 11640), (679, 10680), (712, 10185), (776, 9345), (840, 8633), (890, 8148), (970, 7476), (1068, 6790), (1164, 6230), (1246, 5820), (1335, 5432), (1358, 5340), (1455, 4984), (1780, 4074), (1869, 3880), (1940, 3738), (2037, 3560), (2136, 3395), (2328, 3115), (2492, 2910), (2670, 2716)]