19817620480

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17837}}^1$

素因数の和:17900

約数の個数: 176

約数和(自身を含む): 56086096896

約数和(自身を除く): 36268476416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 992, 1024, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 3472, 3584, 3968, 4340, 4480, 4960, 5120, 6944, 7168, 7936, 8680, 8960, 9920, 13888, 15872, 17360, 17837, 17920, 19840, 27776, 31744, 34720, 35674, 35840, 39680, 55552, 69440, 71348, 79360, 89185, 111104, 124859, 138880, 142696, 158720, 178370, 222208, 249718, 277760, 285392, 356740, 499436, 552947, 555520, 570784, 624295, 713480, 998872, 1105894, 1111040, 1141568, 1248590, 1426960, 1997744, 2211788, 2283136, 2497180, 2764735, 2853920, 3870629, 3995488, 4423576, 4566272, 4994360, 5529470, 5707840, 7741258, 7990976, 8847152, 9132544, 9988720, 11058940, 11415680, 15482516, 15981952, 17694304, 18265088, 19353145, 19977440, 22117880, 22831360, 30965032, 31963904, 35388608, 38706290, 39954880, 44235760, 45662720, 61930064, 63927808, 70777216, 77412580, 79909760, 88471520, 91325440, 123860128, 127855616, 141554432, 154825160, 159819520, 176943040, 247720256, 283108864, 309650320, 319639040, 353886080, 495440512, 566217728, 619300640, 639278080, 707772160, 990881024, 1238601280, 1415544320, 1981762048, 2477202560, 2831088640, 3963524096, 4954405120, 9908810240, 19817620480]

約数ペア:

[(1, 19817620480), (2, 9908810240), (4, 4954405120), (5, 3963524096), (7, 2831088640), (8, 2477202560), (10, 1981762048), (14, 1415544320), (16, 1238601280), (20, 990881024), (28, 707772160), (31, 639278080), (32, 619300640), (35, 566217728), (40, 495440512), (56, 353886080), (62, 319639040), (64, 309650320), (70, 283108864), (80, 247720256), (112, 176943040), (124, 159819520), (128, 154825160), (140, 141554432), (155, 127855616), (160, 123860128), (217, 91325440), (224, 88471520), (248, 79909760), (256, 77412580), (280, 70777216), (310, 63927808), (320, 61930064), (434, 45662720), (448, 44235760), (496, 39954880), (512, 38706290), (560, 35388608), (620, 31963904), (640, 30965032), (868, 22831360), (896, 22117880), (992, 19977440), (1024, 19353145), (1085, 18265088), (1120, 17694304), (1240, 15981952), (1280, 15482516), (1736, 11415680), (1792, 11058940), (1984, 9988720), (2170, 9132544), (2240, 8847152), (2480, 7990976), (2560, 7741258), (3472, 5707840), (3584, 5529470), (3968, 4994360), (4340, 4566272), (4480, 4423576), (4960, 3995488), (5120, 3870629), (6944, 2853920), (7168, 2764735), (7936, 2497180), (8680, 2283136), (8960, 2211788), (9920, 1997744), (13888, 1426960), (15872, 1248590), (17360, 1141568), (17837, 1111040), (17920, 1105894), (19840, 998872), (27776, 713480), (31744, 624295), (34720, 570784), (35674, 555520), (35840, 552947), (39680, 499436), (55552, 356740), (69440, 285392), (71348, 277760), (79360, 249718), (89185, 222208), (111104, 178370), (124859, 158720), (138880, 142696)]