1986728640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159193}}^1$

素因数の和:159226

約数の個数: 112

約数和(自身を含む): 6793126368

約数和(自身を除く): 4806397728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 159193, 318386, 477579, 636772, 795965, 955158, 1273544, 1591930, 1910316, 2069509, 2387895, 2547088, 3183860, 3820632, 4139018, 4775790, 5094176, 6208527, 6367720, 7641264, 8278036, 9551580, 10188352, 10347545, 12417054, 12735440, 15282528, 16556072, 19103160, 20695090, 24834108, 25470880, 30565056, 31042635, 33112144, 38206320, 41390180, 49668216, 50941760, 62085270, 66224288, 76412640, 82780360, 99336432, 124170540, 132448576, 152825280, 165560720, 198672864, 248341080, 331121440, 397345728, 496682160, 662242880, 993364320, 1986728640]

約数ペア:

[(1, 1986728640), (2, 993364320), (3, 662242880), (4, 496682160), (5, 397345728), (6, 331121440), (8, 248341080), (10, 198672864), (12, 165560720), (13, 152825280), (15, 132448576), (16, 124170540), (20, 99336432), (24, 82780360), (26, 76412640), (30, 66224288), (32, 62085270), (39, 50941760), (40, 49668216), (48, 41390180), (52, 38206320), (60, 33112144), (64, 31042635), (65, 30565056), (78, 25470880), (80, 24834108), (96, 20695090), (104, 19103160), (120, 16556072), (130, 15282528), (156, 12735440), (160, 12417054), (192, 10347545), (195, 10188352), (208, 9551580), (240, 8278036), (260, 7641264), (312, 6367720), (320, 6208527), (390, 5094176), (416, 4775790), (480, 4139018), (520, 3820632), (624, 3183860), (780, 2547088), (832, 2387895), (960, 2069509), (1040, 1910316), (1248, 1591930), (1560, 1273544), (2080, 955158), (2496, 795965), (3120, 636772), (4160, 477579), (6240, 318386), (12480, 159193)]