31884720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18979}}^1$

素因数の和:19002

約数の個数: 80

約数和(自身を含む): 112968960

約数和(自身を除く): 81084240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18979, 37958, 56937, 75916, 94895, 113874, 132853, 151832, 189790, 227748, 265706, 284685, 303664, 379580, 398559, 455496, 531412, 569370, 664265, 759160, 797118, 910992, 1062824, 1138740, 1328530, 1518320, 1594236, 1992795, 2125648, 2277480, 2657060, 3188472, 3985590, 4554960, 5314120, 6376944, 7971180, 10628240, 15942360, 31884720]

約数ペア:

[(1, 31884720), (2, 15942360), (3, 10628240), (4, 7971180), (5, 6376944), (6, 5314120), (7, 4554960), (8, 3985590), (10, 3188472), (12, 2657060), (14, 2277480), (15, 2125648), (16, 1992795), (20, 1594236), (21, 1518320), (24, 1328530), (28, 1138740), (30, 1062824), (35, 910992), (40, 797118), (42, 759160), (48, 664265), (56, 569370), (60, 531412), (70, 455496), (80, 398559), (84, 379580), (105, 303664), (112, 284685), (120, 265706), (140, 227748), (168, 189790), (210, 151832), (240, 132853), (280, 113874), (336, 94895), (420, 75916), (560, 56937), (840, 37958), (1680, 18979)]