161450240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 454847232

約数和(自身を除く): 293396992

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, 256, 259, 280, 296, 320, 370, 448, 487, 518, 560, 592, 640, 740, 896, 974, 1036, 1120, 1184, 1280, 1295, 1480, 1792, 1948, 2072, 2240, 2368, 2435, 2590, 2960, 3409, 3896, 4144, 4480, 4736, 4870, 5180, 5920, 6818, 7792, 8288, 8960, 9472, 9740, 10360, 11840, 13636, 15584, 16576, 17045, 18019, 19480, 20720, 23680, 27272, 31168, 33152, 34090, 36038, 38960, 41440, 47360, 54544, 62336, 66304, 68180, 72076, 77920, 82880, 90095, 109088, 124672, 126133, 136360, 144152, 155840, 165760, 180190, 218176, 252266, 272720, 288304, 311680, 331520, 360380, 436352, 504532, 545440, 576608, 623360, 630665, 720760, 872704, 1009064, 1090880, 1153216, 1261330, 1441520, 2018128, 2181760, 2306432, 2522660, 2883040, 4036256, 4363520, 4612864, 5045320, 5766080, 8072512, 10090640, 11532160, 16145024, 20181280, 23064320, 32290048, 40362560, 80725120, 161450240]

約数ペア:

[(1, 161450240), (2, 80725120), (4, 40362560), (5, 32290048), (7, 23064320), (8, 20181280), (10, 16145024), (14, 11532160), (16, 10090640), (20, 8072512), (28, 5766080), (32, 5045320), (35, 4612864), (37, 4363520), (40, 4036256), (56, 2883040), (64, 2522660), (70, 2306432), (74, 2181760), (80, 2018128), (112, 1441520), (128, 1261330), (140, 1153216), (148, 1090880), (160, 1009064), (185, 872704), (224, 720760), (256, 630665), (259, 623360), (280, 576608), (296, 545440), (320, 504532), (370, 436352), (448, 360380), (487, 331520), (518, 311680), (560, 288304), (592, 272720), (640, 252266), (740, 218176), (896, 180190), (974, 165760), (1036, 155840), (1120, 144152), (1184, 136360), (1280, 126133), (1295, 124672), (1480, 109088), (1792, 90095), (1948, 82880), (2072, 77920), (2240, 72076), (2368, 68180), (2435, 66304), (2590, 62336), (2960, 54544), (3409, 47360), (3896, 41440), (4144, 38960), (4480, 36038), (4736, 34090), (4870, 33152), (5180, 31168), (5920, 27272), (6818, 23680), (7792, 20720), (8288, 19480), (8960, 18019), (9472, 17045), (9740, 16576), (10360, 15584), (11840, 13636)]