1281780360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{508643}}^1$

素因数の和:508667

約数の個数: 96

約数和(自身を含む): 4760907840

約数和(自身を除く): 3479127480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 508643, 1017286, 1525929, 2034572, 2543215, 3051858, 3560501, 4069144, 4577787, 5086430, 6103716, 7121002, 7629645, 9155574, 10172860, 10681503, 12207432, 14242004, 15259290, 17802505, 18311148, 20345720, 21363006, 22888935, 28484008, 30518580, 32044509, 35605010, 36622296, 42726012, 45777870, 53407515, 61037160, 64089018, 71210020, 85452024, 91555740, 106815030, 128178036, 142420040, 160222545, 183111480, 213630060, 256356072, 320445090, 427260120, 640890180, 1281780360]

約数ペア:

[(1, 1281780360), (2, 640890180), (3, 427260120), (4, 320445090), (5, 256356072), (6, 213630060), (7, 183111480), (8, 160222545), (9, 142420040), (10, 128178036), (12, 106815030), (14, 91555740), (15, 85452024), (18, 71210020), (20, 64089018), (21, 61037160), (24, 53407515), (28, 45777870), (30, 42726012), (35, 36622296), (36, 35605010), (40, 32044509), (42, 30518580), (45, 28484008), (56, 22888935), (60, 21363006), (63, 20345720), (70, 18311148), (72, 17802505), (84, 15259290), (90, 14242004), (105, 12207432), (120, 10681503), (126, 10172860), (140, 9155574), (168, 7629645), (180, 7121002), (210, 6103716), (252, 5086430), (280, 4577787), (315, 4069144), (360, 3560501), (420, 3051858), (504, 2543215), (630, 2034572), (840, 1525929), (1260, 1017286), (2520, 508643)]