860804560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19963}}^1$

素因数の和:20001

約数の個数: 120

約数和(自身を含む): 2539899936

約数和(自身を除く): 1679095376

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1960, 2156, 2695, 3080, 3920, 4312, 5390, 6160, 8624, 10780, 19963, 21560, 39926, 43120, 79852, 99815, 139741, 159704, 199630, 219593, 279482, 319408, 399260, 439186, 558964, 698705, 798520, 878372, 978187, 1097965, 1117928, 1397410, 1537151, 1597040, 1756744, 1956374, 2195930, 2235856, 2794820, 3074302, 3513488, 3912748, 4391860, 4890935, 5589640, 6148604, 7685755, 7825496, 8783720, 9781870, 10760057, 11179280, 12297208, 15371510, 15650992, 17567440, 19563740, 21520114, 24594416, 30743020, 39127480, 43040228, 53800285, 61486040, 78254960, 86080456, 107600570, 122972080, 172160912, 215201140, 430402280, 860804560]

約数ペア:

[(1, 860804560), (2, 430402280), (4, 215201140), (5, 172160912), (7, 122972080), (8, 107600570), (10, 86080456), (11, 78254960), (14, 61486040), (16, 53800285), (20, 43040228), (22, 39127480), (28, 30743020), (35, 24594416), (40, 21520114), (44, 19563740), (49, 17567440), (55, 15650992), (56, 15371510), (70, 12297208), (77, 11179280), (80, 10760057), (88, 9781870), (98, 8783720), (110, 7825496), (112, 7685755), (140, 6148604), (154, 5589640), (176, 4890935), (196, 4391860), (220, 3912748), (245, 3513488), (280, 3074302), (308, 2794820), (385, 2235856), (392, 2195930), (440, 1956374), (490, 1756744), (539, 1597040), (560, 1537151), (616, 1397410), (770, 1117928), (784, 1097965), (880, 978187), (980, 878372), (1078, 798520), (1232, 698705), (1540, 558964), (1960, 439186), (2156, 399260), (2695, 319408), (3080, 279482), (3920, 219593), (4312, 199630), (5390, 159704), (6160, 139741), (8624, 99815), (10780, 79852), (19963, 43120), (21560, 39926)]