51445890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 138692736

約数和(自身を除く): 87246846

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 83, 90, 97, 142, 166, 194, 213, 249, 291, 355, 415, 426, 485, 498, 582, 639, 710, 747, 830, 873, 970, 1065, 1245, 1278, 1455, 1494, 1746, 2130, 2490, 2910, 3195, 3735, 4365, 5893, 6390, 6887, 7470, 8051, 8730, 11786, 13774, 16102, 17679, 20661, 24153, 29465, 34435, 35358, 40255, 41322, 48306, 53037, 58930, 61983, 68870, 72459, 80510, 88395, 103305, 106074, 120765, 123966, 144918, 176790, 206610, 241530, 265185, 309915, 362295, 530370, 571621, 619830, 724590, 1143242, 1714863, 2858105, 3429726, 5144589, 5716210, 8574315, 10289178, 17148630, 25722945, 51445890]

約数ペア:

[(1, 51445890), (2, 25722945), (3, 17148630), (5, 10289178), (6, 8574315), (9, 5716210), (10, 5144589), (15, 3429726), (18, 2858105), (30, 1714863), (45, 1143242), (71, 724590), (83, 619830), (90, 571621), (97, 530370), (142, 362295), (166, 309915), (194, 265185), (213, 241530), (249, 206610), (291, 176790), (355, 144918), (415, 123966), (426, 120765), (485, 106074), (498, 103305), (582, 88395), (639, 80510), (710, 72459), (747, 68870), (830, 61983), (873, 58930), (970, 53037), (1065, 48306), (1245, 41322), (1278, 40255), (1455, 35358), (1494, 34435), (1746, 29465), (2130, 24153), (2490, 20661), (2910, 17679), (3195, 16102), (3735, 13774), (4365, 11786), (5893, 8730), (6390, 8051), (6887, 7470)]