80725120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 128

約数和(自身を含む): 226978560

約数和(自身を除く): 146253440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 259, 280, 296, 320, 370, 448, 487, 518, 560, 592, 640, 740, 896, 974, 1036, 1120, 1184, 1295, 1480, 1948, 2072, 2240, 2368, 2435, 2590, 2960, 3409, 3896, 4144, 4480, 4736, 4870, 5180, 5920, 6818, 7792, 8288, 9740, 10360, 11840, 13636, 15584, 16576, 17045, 18019, 19480, 20720, 23680, 27272, 31168, 33152, 34090, 36038, 38960, 41440, 54544, 62336, 68180, 72076, 77920, 82880, 90095, 109088, 126133, 136360, 144152, 155840, 165760, 180190, 218176, 252266, 272720, 288304, 311680, 360380, 436352, 504532, 545440, 576608, 630665, 720760, 1009064, 1090880, 1153216, 1261330, 1441520, 2018128, 2181760, 2306432, 2522660, 2883040, 4036256, 5045320, 5766080, 8072512, 10090640, 11532160, 16145024, 20181280, 40362560, 80725120]

約数ペア:

[(1, 80725120), (2, 40362560), (4, 20181280), (5, 16145024), (7, 11532160), (8, 10090640), (10, 8072512), (14, 5766080), (16, 5045320), (20, 4036256), (28, 2883040), (32, 2522660), (35, 2306432), (37, 2181760), (40, 2018128), (56, 1441520), (64, 1261330), (70, 1153216), (74, 1090880), (80, 1009064), (112, 720760), (128, 630665), (140, 576608), (148, 545440), (160, 504532), (185, 436352), (224, 360380), (259, 311680), (280, 288304), (296, 272720), (320, 252266), (370, 218176), (448, 180190), (487, 165760), (518, 155840), (560, 144152), (592, 136360), (640, 126133), (740, 109088), (896, 90095), (974, 82880), (1036, 77920), (1120, 72076), (1184, 68180), (1295, 62336), (1480, 54544), (1948, 41440), (2072, 38960), (2240, 36038), (2368, 34090), (2435, 33152), (2590, 31168), (2960, 27272), (3409, 23680), (3896, 20720), (4144, 19480), (4480, 18019), (4736, 17045), (4870, 16576), (5180, 15584), (5920, 13636), (6818, 11840), (7792, 10360), (8288, 9740)]