80276520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 256348800

約数和(自身を除く): 176072280

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, 137, 152, 190, 228, 257, 274, 285, 380, 411, 456, 514, 548, 570, 685, 760, 771, 822, 1028, 1096, 1140, 1285, 1370, 1542, 1644, 2055, 2056, 2280, 2570, 2603, 2740, 3084, 3288, 3855, 4110, 4883, 5140, 5206, 5480, 6168, 7710, 7809, 8220, 9766, 10280, 10412, 13015, 14649, 15420, 15618, 16440, 19532, 20824, 24415, 26030, 29298, 30840, 31236, 35209, 39045, 39064, 48830, 52060, 58596, 62472, 70418, 73245, 78090, 97660, 104120, 105627, 117192, 140836, 146490, 156180, 176045, 195320, 211254, 281672, 292980, 312360, 352090, 422508, 528135, 585960, 668971, 704180, 845016, 1056270, 1337942, 1408360, 2006913, 2112540, 2675884, 3344855, 4013826, 4225080, 5351768, 6689710, 8027652, 10034565, 13379420, 16055304, 20069130, 26758840, 40138260, 80276520]

約数ペア:

[(1, 80276520), (2, 40138260), (3, 26758840), (4, 20069130), (5, 16055304), (6, 13379420), (8, 10034565), (10, 8027652), (12, 6689710), (15, 5351768), (19, 4225080), (20, 4013826), (24, 3344855), (30, 2675884), (38, 2112540), (40, 2006913), (57, 1408360), (60, 1337942), (76, 1056270), (95, 845016), (114, 704180), (120, 668971), (137, 585960), (152, 528135), (190, 422508), (228, 352090), (257, 312360), (274, 292980), (285, 281672), (380, 211254), (411, 195320), (456, 176045), (514, 156180), (548, 146490), (570, 140836), (685, 117192), (760, 105627), (771, 104120), (822, 97660), (1028, 78090), (1096, 73245), (1140, 70418), (1285, 62472), (1370, 58596), (1542, 52060), (1644, 48830), (2055, 39064), (2056, 39045), (2280, 35209), (2570, 31236), (2603, 30840), (2740, 29298), (3084, 26030), (3288, 24415), (3855, 20824), (4110, 19532), (4883, 16440), (5140, 15618), (5206, 15420), (5480, 14649), (6168, 13015), (7710, 10412), (7809, 10280), (8220, 9766)]