22720027720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{8147}}^1$

素因数の和:8375

約数の個数: 128

約数和(自身を含む): 57163760640

約数和(自身を除く): 34443732920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 173, 248, 260, 310, 346, 403, 520, 620, 692, 806, 865, 1240, 1384, 1612, 1730, 2015, 2249, 3224, 3460, 4030, 4498, 5363, 6920, 8060, 8147, 8996, 10726, 11245, 16120, 16294, 17992, 21452, 22490, 26815, 32588, 40735, 42904, 44980, 53630, 65176, 69719, 81470, 89960, 105911, 107260, 139438, 162940, 211822, 214520, 252557, 278876, 325880, 348595, 423644, 505114, 529555, 557752, 697190, 847288, 1010228, 1059110, 1262785, 1394380, 1409431, 2020456, 2118220, 2525570, 2788760, 2818862, 3283241, 4236440, 5051140, 5637724, 6566482, 7047155, 10102280, 11275448, 13132964, 14094310, 16416205, 18322603, 26265928, 28188620, 32832410, 36645206, 43692361, 56377240, 65664820, 73290412, 87384722, 91613015, 131329640, 146580824, 174769444, 183226030, 218461805, 349538888, 366452060, 436923610, 568000693, 732904120, 873847220, 1136001386, 1747694440, 2272002772, 2840003465, 4544005544, 5680006930, 11360013860, 22720027720]

約数ペア:

[(1, 22720027720), (2, 11360013860), (4, 5680006930), (5, 4544005544), (8, 2840003465), (10, 2272002772), (13, 1747694440), (20, 1136001386), (26, 873847220), (31, 732904120), (40, 568000693), (52, 436923610), (62, 366452060), (65, 349538888), (104, 218461805), (124, 183226030), (130, 174769444), (155, 146580824), (173, 131329640), (248, 91613015), (260, 87384722), (310, 73290412), (346, 65664820), (403, 56377240), (520, 43692361), (620, 36645206), (692, 32832410), (806, 28188620), (865, 26265928), (1240, 18322603), (1384, 16416205), (1612, 14094310), (1730, 13132964), (2015, 11275448), (2249, 10102280), (3224, 7047155), (3460, 6566482), (4030, 5637724), (4498, 5051140), (5363, 4236440), (6920, 3283241), (8060, 2818862), (8147, 2788760), (8996, 2525570), (10726, 2118220), (11245, 2020456), (16120, 1409431), (16294, 1394380), (17992, 1262785), (21452, 1059110), (22490, 1010228), (26815, 847288), (32588, 697190), (40735, 557752), (42904, 529555), (44980, 505114), (53630, 423644), (65176, 348595), (69719, 325880), (81470, 278876), (89960, 252557), (105911, 214520), (107260, 211822), (139438, 162940)]