1380960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 5425056

約数和(自身を除く): 4044096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 137, 140, 144, 160, 168, 180, 210, 224, 240, 252, 274, 280, 288, 315, 336, 360, 411, 420, 480, 504, 548, 560, 630, 672, 685, 720, 822, 840, 959, 1008, 1096, 1120, 1233, 1260, 1370, 1440, 1644, 1680, 1918, 2016, 2055, 2192, 2466, 2520, 2740, 2877, 3288, 3360, 3836, 4110, 4384, 4795, 4932, 5040, 5480, 5754, 6165, 6576, 7672, 8220, 8631, 9590, 9864, 10080, 10960, 11508, 12330, 13152, 14385, 15344, 16440, 17262, 19180, 19728, 21920, 23016, 24660, 28770, 30688, 32880, 34524, 38360, 39456, 43155, 46032, 49320, 57540, 65760, 69048, 76720, 86310, 92064, 98640, 115080, 138096, 153440, 172620, 197280, 230160, 276192, 345240, 460320, 690480, 1380960]

約数ペア:

[(1, 1380960), (2, 690480), (3, 460320), (4, 345240), (5, 276192), (6, 230160), (7, 197280), (8, 172620), (9, 153440), (10, 138096), (12, 115080), (14, 98640), (15, 92064), (16, 86310), (18, 76720), (20, 69048), (21, 65760), (24, 57540), (28, 49320), (30, 46032), (32, 43155), (35, 39456), (36, 38360), (40, 34524), (42, 32880), (45, 30688), (48, 28770), (56, 24660), (60, 23016), (63, 21920), (70, 19728), (72, 19180), (80, 17262), (84, 16440), (90, 15344), (96, 14385), (105, 13152), (112, 12330), (120, 11508), (126, 10960), (137, 10080), (140, 9864), (144, 9590), (160, 8631), (168, 8220), (180, 7672), (210, 6576), (224, 6165), (240, 5754), (252, 5480), (274, 5040), (280, 4932), (288, 4795), (315, 4384), (336, 4110), (360, 3836), (411, 3360), (420, 3288), (480, 2877), (504, 2740), (548, 2520), (560, 2466), (630, 2192), (672, 2055), (685, 2016), (720, 1918), (822, 1680), (840, 1644), (959, 1440), (1008, 1370), (1096, 1260), (1120, 1233)]