256013010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23509}}^1$

素因数の和:23544

約数の個数: 72

約数和(自身を含む): 731678220

約数和(自身を除く): 475665210

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 10890, 23509, 47018, 70527, 117545, 141054, 211581, 235090, 258599, 352635, 423162, 517198, 705270, 775797, 1057905, 1292995, 1551594, 2115810, 2327391, 2585990, 2844589, 3878985, 4654782, 5689178, 7757970, 8533767, 11636955, 14222945, 17067534, 23273910, 25601301, 28445890, 42668835, 51202602, 85337670, 128006505, 256013010]

約数ペア:

[(1, 256013010), (2, 128006505), (3, 85337670), (5, 51202602), (6, 42668835), (9, 28445890), (10, 25601301), (11, 23273910), (15, 17067534), (18, 14222945), (22, 11636955), (30, 8533767), (33, 7757970), (45, 5689178), (55, 4654782), (66, 3878985), (90, 2844589), (99, 2585990), (110, 2327391), (121, 2115810), (165, 1551594), (198, 1292995), (242, 1057905), (330, 775797), (363, 705270), (495, 517198), (605, 423162), (726, 352635), (990, 258599), (1089, 235090), (1210, 211581), (1815, 141054), (2178, 117545), (3630, 70527), (5445, 47018), (10890, 23509)]