64015000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 160

約数和(自身を含む): 179942400

約数和(自身を除く): 115927400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 59, 62, 70, 100, 118, 124, 125, 140, 155, 175, 200, 217, 236, 248, 250, 280, 295, 310, 350, 413, 434, 472, 500, 590, 620, 625, 700, 775, 826, 868, 875, 1000, 1085, 1180, 1240, 1250, 1400, 1475, 1550, 1652, 1736, 1750, 1829, 2065, 2170, 2360, 2500, 2950, 3100, 3304, 3500, 3658, 3875, 4130, 4340, 4375, 5000, 5425, 5900, 6200, 7000, 7316, 7375, 7750, 8260, 8680, 8750, 9145, 10325, 10850, 11800, 12803, 14632, 14750, 15500, 16520, 17500, 18290, 19375, 20650, 21700, 25606, 27125, 29500, 31000, 35000, 36580, 36875, 38750, 41300, 43400, 45725, 51212, 51625, 54250, 59000, 64015, 73160, 73750, 77500, 82600, 91450, 102424, 103250, 108500, 128030, 135625, 147500, 155000, 182900, 206500, 217000, 228625, 256060, 258125, 271250, 295000, 320075, 365800, 413000, 457250, 512120, 516250, 542500, 640150, 914500, 1032500, 1085000, 1143125, 1280300, 1600375, 1829000, 2065000, 2286250, 2560600, 3200750, 4572500, 6401500, 8001875, 9145000, 12803000, 16003750, 32007500, 64015000]

約数ペア:

[(1, 64015000), (2, 32007500), (4, 16003750), (5, 12803000), (7, 9145000), (8, 8001875), (10, 6401500), (14, 4572500), (20, 3200750), (25, 2560600), (28, 2286250), (31, 2065000), (35, 1829000), (40, 1600375), (50, 1280300), (56, 1143125), (59, 1085000), (62, 1032500), (70, 914500), (100, 640150), (118, 542500), (124, 516250), (125, 512120), (140, 457250), (155, 413000), (175, 365800), (200, 320075), (217, 295000), (236, 271250), (248, 258125), (250, 256060), (280, 228625), (295, 217000), (310, 206500), (350, 182900), (413, 155000), (434, 147500), (472, 135625), (500, 128030), (590, 108500), (620, 103250), (625, 102424), (700, 91450), (775, 82600), (826, 77500), (868, 73750), (875, 73160), (1000, 64015), (1085, 59000), (1180, 54250), (1240, 51625), (1250, 51212), (1400, 45725), (1475, 43400), (1550, 41300), (1652, 38750), (1736, 36875), (1750, 36580), (1829, 35000), (2065, 31000), (2170, 29500), (2360, 27125), (2500, 25606), (2950, 21700), (3100, 20650), (3304, 19375), (3500, 18290), (3658, 17500), (3875, 16520), (4130, 15500), (4340, 14750), (4375, 14632), (5000, 12803), (5425, 11800), (5900, 10850), (6200, 10325), (7000, 9145), (7316, 8750), (7375, 8680), (7750, 8260)]