1330807720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 3350678400

約数和(自身を除く): 2019870680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 179, 220, 244, 277, 305, 358, 440, 488, 554, 610, 671, 716, 895, 1108, 1220, 1342, 1385, 1432, 1790, 1969, 2216, 2440, 2684, 2770, 3047, 3355, 3580, 3938, 5368, 5540, 6094, 6710, 7160, 7876, 9845, 10919, 11080, 12188, 13420, 15235, 15752, 16897, 19690, 21838, 24376, 26840, 30470, 33794, 39380, 43676, 49583, 54595, 60940, 67588, 78760, 84485, 87352, 99166, 109190, 120109, 121880, 135176, 168970, 185867, 198332, 218380, 240218, 247915, 337940, 371734, 396664, 436760, 480436, 495830, 545413, 600545, 675880, 743468, 929335, 960872, 991660, 1090826, 1201090, 1486936, 1858670, 1983320, 2181652, 2402180, 2727065, 3024563, 3717340, 4363304, 4804360, 5454130, 6049126, 7434680, 10908260, 12098252, 15122815, 21816520, 24196504, 30245630, 33270193, 60491260, 66540386, 120982520, 133080772, 166350965, 266161544, 332701930, 665403860, 1330807720]

約数ペア:

[(1, 1330807720), (2, 665403860), (4, 332701930), (5, 266161544), (8, 166350965), (10, 133080772), (11, 120982520), (20, 66540386), (22, 60491260), (40, 33270193), (44, 30245630), (55, 24196504), (61, 21816520), (88, 15122815), (110, 12098252), (122, 10908260), (179, 7434680), (220, 6049126), (244, 5454130), (277, 4804360), (305, 4363304), (358, 3717340), (440, 3024563), (488, 2727065), (554, 2402180), (610, 2181652), (671, 1983320), (716, 1858670), (895, 1486936), (1108, 1201090), (1220, 1090826), (1342, 991660), (1385, 960872), (1432, 929335), (1790, 743468), (1969, 675880), (2216, 600545), (2440, 545413), (2684, 495830), (2770, 480436), (3047, 436760), (3355, 396664), (3580, 371734), (3938, 337940), (5368, 247915), (5540, 240218), (6094, 218380), (6710, 198332), (7160, 185867), (7876, 168970), (9845, 135176), (10919, 121880), (11080, 120109), (12188, 109190), (13420, 99166), (15235, 87352), (15752, 84485), (16897, 78760), (19690, 67588), (21838, 60940), (24376, 54595), (26840, 49583), (30470, 43676), (33794, 39380)]