2015017928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 4872268800

約数和(自身を除く): 2857250872

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 211, 259, 296, 308, 407, 419, 422, 518, 616, 814, 838, 844, 1036, 1477, 1628, 1676, 1688, 2072, 2321, 2849, 2933, 2954, 3256, 3352, 4609, 4642, 5698, 5866, 5908, 7807, 9218, 9284, 11396, 11732, 11816, 15503, 15614, 16247, 18436, 18568, 22792, 23464, 31006, 31228, 32263, 32494, 36872, 54649, 62012, 62456, 64526, 64988, 85877, 88409, 108521, 109298, 124024, 129052, 129976, 170533, 171754, 176818, 217042, 218596, 258104, 341066, 343508, 353636, 434084, 437192, 601139, 618863, 682132, 687016, 707272, 868168, 972499, 1193731, 1202278, 1237726, 1364264, 1944998, 2387462, 2404556, 2475452, 3271133, 3889996, 4774924, 4809112, 4950904, 6542266, 6807493, 7779992, 9549848, 13084532, 13614986, 22897931, 26169064, 27229972, 35982463, 45795862, 54459944, 71964926, 91591724, 143929852, 183183448, 251877241, 287859704, 503754482, 1007508964, 2015017928]

約数ペア:

[(1, 2015017928), (2, 1007508964), (4, 503754482), (7, 287859704), (8, 251877241), (11, 183183448), (14, 143929852), (22, 91591724), (28, 71964926), (37, 54459944), (44, 45795862), (56, 35982463), (74, 27229972), (77, 26169064), (88, 22897931), (148, 13614986), (154, 13084532), (211, 9549848), (259, 7779992), (296, 6807493), (308, 6542266), (407, 4950904), (419, 4809112), (422, 4774924), (518, 3889996), (616, 3271133), (814, 2475452), (838, 2404556), (844, 2387462), (1036, 1944998), (1477, 1364264), (1628, 1237726), (1676, 1202278), (1688, 1193731), (2072, 972499), (2321, 868168), (2849, 707272), (2933, 687016), (2954, 682132), (3256, 618863), (3352, 601139), (4609, 437192), (4642, 434084), (5698, 353636), (5866, 343508), (5908, 341066), (7807, 258104), (9218, 218596), (9284, 217042), (11396, 176818), (11732, 171754), (11816, 170533), (15503, 129976), (15614, 129052), (16247, 124024), (18436, 109298), (18568, 108521), (22792, 88409), (23464, 85877), (31006, 64988), (31228, 64526), (32263, 62456), (32494, 62012), (36872, 54649)]