51211160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1321

約数の個数: 128

約数和(自身を含む): 154828800

約数和(自身を除く): 103617640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1279, 1430, 1540, 1820, 2002, 2558, 2860, 3080, 3640, 4004, 5005, 5116, 5720, 6395, 8008, 8953, 10010, 10232, 12790, 14069, 16627, 17906, 20020, 25580, 28138, 33254, 35812, 40040, 44765, 51160, 56276, 66508, 70345, 71624, 83135, 89530, 98483, 112552, 116389, 133016, 140690, 166270, 179060, 182897, 196966, 232778, 281380, 332540, 358120, 365794, 393932, 465556, 492415, 562760, 581945, 665080, 731588, 787864, 914485, 931112, 984830, 1163890, 1280279, 1463176, 1828970, 1969660, 2327780, 2560558, 3657940, 3939320, 4655560, 5121116, 6401395, 7315880, 10242232, 12802790, 25605580, 51211160]

約数ペア:

[(1, 51211160), (2, 25605580), (4, 12802790), (5, 10242232), (7, 7315880), (8, 6401395), (10, 5121116), (11, 4655560), (13, 3939320), (14, 3657940), (20, 2560558), (22, 2327780), (26, 1969660), (28, 1828970), (35, 1463176), (40, 1280279), (44, 1163890), (52, 984830), (55, 931112), (56, 914485), (65, 787864), (70, 731588), (77, 665080), (88, 581945), (91, 562760), (104, 492415), (110, 465556), (130, 393932), (140, 365794), (143, 358120), (154, 332540), (182, 281380), (220, 232778), (260, 196966), (280, 182897), (286, 179060), (308, 166270), (364, 140690), (385, 133016), (440, 116389), (455, 112552), (520, 98483), (572, 89530), (616, 83135), (715, 71624), (728, 70345), (770, 66508), (910, 56276), (1001, 51160), (1144, 44765), (1279, 40040), (1430, 35812), (1540, 33254), (1820, 28138), (2002, 25580), (2558, 20020), (2860, 17906), (3080, 16627), (3640, 14069), (4004, 12790), (5005, 10232), (5116, 10010), (5720, 8953), (6395, 8008)]