142720807775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{18913}}^1$

素因数の和:19081

約数の個数: 96

約数和(自身を含む): 226953474048

約数和(自身を除く): 84232666273

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 107, 155, 175, 217, 325, 403, 455, 535, 749, 775, 1085, 1391, 2015, 2275, 2675, 2821, 3317, 3745, 5425, 6955, 9737, 10075, 14105, 16585, 18725, 18913, 23219, 34775, 43121, 48685, 70525, 82925, 94565, 116095, 132391, 215605, 243425, 245869, 301847, 472825, 580475, 586303, 661955, 1078025, 1229345, 1509235, 1721083, 2023691, 2931515, 3309775, 4104121, 6146725, 7546175, 7621939, 8605415, 10118455, 14165837, 14657575, 20520605, 26307983, 38109695, 43027075, 50592275, 53353573, 62734421, 70829185, 102603025, 131539915, 184155881, 190548475, 266767865, 313672105, 354145925, 439140947, 657699575, 815547473, 920779405, 1333839325, 1568360525, 2195704735, 4077737365, 4603897025, 5708832311, 10978523675, 20388686825, 28544161555, 142720807775]

約数ペア:

[(1, 142720807775), (5, 28544161555), (7, 20388686825), (13, 10978523675), (25, 5708832311), (31, 4603897025), (35, 4077737365), (65, 2195704735), (91, 1568360525), (107, 1333839325), (155, 920779405), (175, 815547473), (217, 657699575), (325, 439140947), (403, 354145925), (455, 313672105), (535, 266767865), (749, 190548475), (775, 184155881), (1085, 131539915), (1391, 102603025), (2015, 70829185), (2275, 62734421), (2675, 53353573), (2821, 50592275), (3317, 43027075), (3745, 38109695), (5425, 26307983), (6955, 20520605), (9737, 14657575), (10075, 14165837), (14105, 10118455), (16585, 8605415), (18725, 7621939), (18913, 7546175), (23219, 6146725), (34775, 4104121), (43121, 3309775), (48685, 2931515), (70525, 2023691), (82925, 1721083), (94565, 1509235), (116095, 1229345), (132391, 1078025), (215605, 661955), (243425, 586303), (245869, 580475), (301847, 472825)]