20154690450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{4831}}^1$

素因数の和:5049

約数の個数: 144

約数和(自身を含む): 55334363136

約数和(自身を除く): 35179672686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 73, 75, 90, 127, 146, 150, 219, 225, 254, 365, 381, 438, 450, 635, 657, 730, 762, 1095, 1143, 1270, 1314, 1825, 1905, 2190, 2286, 3175, 3285, 3650, 3810, 4831, 5475, 5715, 6350, 6570, 9271, 9525, 9662, 10950, 11430, 14493, 16425, 18542, 19050, 24155, 27813, 28575, 28986, 32850, 43479, 46355, 48310, 55626, 57150, 72465, 83439, 86958, 92710, 120775, 139065, 144930, 166878, 217395, 231775, 241550, 278130, 352663, 362325, 417195, 434790, 463550, 613537, 695325, 705326, 724650, 834390, 1057989, 1086975, 1227074, 1390650, 1763315, 1840611, 2085975, 2115978, 2173950, 3067685, 3173967, 3526630, 3681222, 4171950, 5289945, 5521833, 6135370, 6347934, 8816575, 9203055, 10579890, 11043666, 15338425, 15869835, 17633150, 18406110, 26449725, 27609165, 30676850, 31739670, 44788201, 46015275, 52899450, 55218330, 79349175, 89576402, 92030550, 134364603, 138045825, 158698350, 223941005, 268729206, 276091650, 403093809, 447882010, 671823015, 806187618, 1119705025, 1343646030, 2015469045, 2239410050, 3359115075, 4030938090, 6718230150, 10077345225, 20154690450]

約数ペア:

[(1, 20154690450), (2, 10077345225), (3, 6718230150), (5, 4030938090), (6, 3359115075), (9, 2239410050), (10, 2015469045), (15, 1343646030), (18, 1119705025), (25, 806187618), (30, 671823015), (45, 447882010), (50, 403093809), (73, 276091650), (75, 268729206), (90, 223941005), (127, 158698350), (146, 138045825), (150, 134364603), (219, 92030550), (225, 89576402), (254, 79349175), (365, 55218330), (381, 52899450), (438, 46015275), (450, 44788201), (635, 31739670), (657, 30676850), (730, 27609165), (762, 26449725), (1095, 18406110), (1143, 17633150), (1270, 15869835), (1314, 15338425), (1825, 11043666), (1905, 10579890), (2190, 9203055), (2286, 8816575), (3175, 6347934), (3285, 6135370), (3650, 5521833), (3810, 5289945), (4831, 4171950), (5475, 3681222), (5715, 3526630), (6350, 3173967), (6570, 3067685), (9271, 2173950), (9525, 2115978), (9662, 2085975), (10950, 1840611), (11430, 1763315), (14493, 1390650), (16425, 1227074), (18542, 1086975), (19050, 1057989), (24155, 834390), (27813, 724650), (28575, 705326), (28986, 695325), (32850, 613537), (43479, 463550), (46355, 434790), (48310, 417195), (55626, 362325), (57150, 352663), (72465, 278130), (83439, 241550), (86958, 231775), (92710, 217395), (120775, 166878), (139065, 144930)]