161308000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{823}}^1$

素因数の和:862

約数の個数: 144

約数和(自身を含む): 461601504

約数和(自身を除く): 300293504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 800, 823, 875, 980, 1000, 1120, 1225, 1400, 1568, 1646, 1750, 1960, 2000, 2450, 2800, 3292, 3500, 3920, 4000, 4115, 4900, 5600, 5761, 6125, 6584, 7000, 7840, 8230, 9800, 11522, 12250, 13168, 14000, 16460, 19600, 20575, 23044, 24500, 26336, 28000, 28805, 32920, 39200, 40327, 41150, 46088, 49000, 57610, 65840, 80654, 82300, 92176, 98000, 102875, 115220, 131680, 144025, 161308, 164600, 184352, 196000, 201635, 205750, 230440, 288050, 322616, 329200, 403270, 411500, 460880, 576100, 645232, 658400, 720125, 806540, 823000, 921760, 1008175, 1152200, 1290464, 1440250, 1613080, 1646000, 2016350, 2304400, 2880500, 3226160, 3292000, 4032700, 4608800, 5040875, 5761000, 6452320, 8065400, 10081750, 11522000, 16130800, 20163500, 23044000, 32261600, 40327000, 80654000, 161308000]

約数ペア:

[(1, 161308000), (2, 80654000), (4, 40327000), (5, 32261600), (7, 23044000), (8, 20163500), (10, 16130800), (14, 11522000), (16, 10081750), (20, 8065400), (25, 6452320), (28, 5761000), (32, 5040875), (35, 4608800), (40, 4032700), (49, 3292000), (50, 3226160), (56, 2880500), (70, 2304400), (80, 2016350), (98, 1646000), (100, 1613080), (112, 1440250), (125, 1290464), (140, 1152200), (160, 1008175), (175, 921760), (196, 823000), (200, 806540), (224, 720125), (245, 658400), (250, 645232), (280, 576100), (350, 460880), (392, 411500), (400, 403270), (490, 329200), (500, 322616), (560, 288050), (700, 230440), (784, 205750), (800, 201635), (823, 196000), (875, 184352), (980, 164600), (1000, 161308), (1120, 144025), (1225, 131680), (1400, 115220), (1568, 102875), (1646, 98000), (1750, 92176), (1960, 82300), (2000, 80654), (2450, 65840), (2800, 57610), (3292, 49000), (3500, 46088), (3920, 41150), (4000, 40327), (4115, 39200), (4900, 32920), (5600, 28805), (5761, 28000), (6125, 26336), (6584, 24500), (7000, 23044), (7840, 20575), (8230, 19600), (9800, 16460), (11522, 14000), (12250, 13168)]