15728040720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3120643}}^1$

素因数の和:3120669

約数の個数: 120

約数和(自身を含む): 60365737536

約数和(自身を除く): 44637696816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 3120643, 6241286, 9361929, 12482572, 15603215, 18723858, 21844501, 24965144, 28085787, 31206430, 37447716, 43689002, 46809645, 49930288, 56171574, 62412860, 65533503, 74895432, 87378004, 93619290, 109222505, 112343148, 124825720, 131067006, 140428935, 149790864, 174756008, 187238580, 196600509, 218445010, 224686296, 249651440, 262134012, 280857870, 327667515, 349512016, 374477160, 393201018, 436890020, 449372592, 524268024, 561715740, 655335030, 748954320, 786402036, 873780040, 983002545, 1048536048, 1123431480, 1310670060, 1572804072, 1747560080, 1966005090, 2246862960, 2621340120, 3145608144, 3932010180, 5242680240, 7864020360, 15728040720]

約数ペア:

[(1, 15728040720), (2, 7864020360), (3, 5242680240), (4, 3932010180), (5, 3145608144), (6, 2621340120), (7, 2246862960), (8, 1966005090), (9, 1747560080), (10, 1572804072), (12, 1310670060), (14, 1123431480), (15, 1048536048), (16, 983002545), (18, 873780040), (20, 786402036), (21, 748954320), (24, 655335030), (28, 561715740), (30, 524268024), (35, 449372592), (36, 436890020), (40, 393201018), (42, 374477160), (45, 349512016), (48, 327667515), (56, 280857870), (60, 262134012), (63, 249651440), (70, 224686296), (72, 218445010), (80, 196600509), (84, 187238580), (90, 174756008), (105, 149790864), (112, 140428935), (120, 131067006), (126, 124825720), (140, 112343148), (144, 109222505), (168, 93619290), (180, 87378004), (210, 74895432), (240, 65533503), (252, 62412860), (280, 56171574), (315, 49930288), (336, 46809645), (360, 43689002), (420, 37447716), (504, 31206430), (560, 28085787), (630, 24965144), (720, 21844501), (840, 18723858), (1008, 15603215), (1260, 12482572), (1680, 9361929), (2520, 6241286), (5040, 3120643)]