2018927120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{156749}}^1$

素因数の和:156792

約数の個数: 80

約数和(自身を含む): 5597856000

約数和(自身を除く): 3578928880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 156749, 313498, 626996, 783745, 1097243, 1253992, 1567490, 2194486, 2507984, 3134980, 3605227, 4388972, 5486215, 6269960, 7210454, 8777944, 10972430, 12539920, 14420908, 17555888, 18026135, 21944860, 25236589, 28841816, 36052270, 43889720, 50473178, 57683632, 72104540, 87779440, 100946356, 126182945, 144209080, 201892712, 252365890, 288418160, 403785424, 504731780, 1009463560, 2018927120]

約数ペア:

[(1, 2018927120), (2, 1009463560), (4, 504731780), (5, 403785424), (7, 288418160), (8, 252365890), (10, 201892712), (14, 144209080), (16, 126182945), (20, 100946356), (23, 87779440), (28, 72104540), (35, 57683632), (40, 50473178), (46, 43889720), (56, 36052270), (70, 28841816), (80, 25236589), (92, 21944860), (112, 18026135), (115, 17555888), (140, 14420908), (161, 12539920), (184, 10972430), (230, 8777944), (280, 7210454), (322, 6269960), (368, 5486215), (460, 4388972), (560, 3605227), (644, 3134980), (805, 2507984), (920, 2194486), (1288, 1567490), (1610, 1253992), (1840, 1097243), (2576, 783745), (3220, 626996), (6440, 313498), (12880, 156749)]