778873080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1361}}^1$

素因数の和:1645

約数の個数: 128

約数和(自身を含む): 2471212800

約数和(自身を除く): 1692339720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 251, 285, 380, 456, 502, 570, 753, 760, 1004, 1140, 1255, 1361, 1506, 2008, 2280, 2510, 2722, 3012, 3765, 4083, 4769, 5020, 5444, 6024, 6805, 7530, 8166, 9538, 10040, 10888, 13610, 14307, 15060, 16332, 19076, 20415, 23845, 25859, 27220, 28614, 30120, 32664, 38152, 40830, 47690, 51718, 54440, 57228, 71535, 77577, 81660, 95380, 103436, 114456, 129295, 143070, 155154, 163320, 190760, 206872, 258590, 286140, 310308, 341611, 387885, 517180, 572280, 620616, 683222, 775770, 1024833, 1034360, 1366444, 1551540, 1708055, 2049666, 2732888, 3103080, 3416110, 4099332, 5124165, 6490609, 6832220, 8198664, 10248330, 12981218, 13664440, 19471827, 20496660, 25962436, 32453045, 38943654, 40993320, 51924872, 64906090, 77887308, 97359135, 129812180, 155774616, 194718270, 259624360, 389436540, 778873080]

約数ペア:

[(1, 778873080), (2, 389436540), (3, 259624360), (4, 194718270), (5, 155774616), (6, 129812180), (8, 97359135), (10, 77887308), (12, 64906090), (15, 51924872), (19, 40993320), (20, 38943654), (24, 32453045), (30, 25962436), (38, 20496660), (40, 19471827), (57, 13664440), (60, 12981218), (76, 10248330), (95, 8198664), (114, 6832220), (120, 6490609), (152, 5124165), (190, 4099332), (228, 3416110), (251, 3103080), (285, 2732888), (380, 2049666), (456, 1708055), (502, 1551540), (570, 1366444), (753, 1034360), (760, 1024833), (1004, 775770), (1140, 683222), (1255, 620616), (1361, 572280), (1506, 517180), (2008, 387885), (2280, 341611), (2510, 310308), (2722, 286140), (3012, 258590), (3765, 206872), (4083, 190760), (4769, 163320), (5020, 155154), (5444, 143070), (6024, 129295), (6805, 114456), (7530, 103436), (8166, 95380), (9538, 81660), (10040, 77577), (10888, 71535), (13610, 57228), (14307, 54440), (15060, 51718), (16332, 47690), (19076, 40830), (20415, 38152), (23845, 32664), (25859, 30120), (27220, 28614)]