1642900920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{70937}}^1$

素因数の和:71144

約数の個数: 64

約数和(自身を含む): 4954309920

約数和(自身を除く): 3311409000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 965, 1158, 1544, 1930, 2316, 2895, 3860, 4632, 5790, 7720, 11580, 23160, 70937, 141874, 212811, 283748, 354685, 425622, 567496, 709370, 851244, 1064055, 1418740, 1702488, 2128110, 2837480, 4256220, 8512440, 13690841, 27381682, 41072523, 54763364, 68454205, 82145046, 109526728, 136908410, 164290092, 205362615, 273816820, 328580184, 410725230, 547633640, 821450460, 1642900920]

約数ペア:

[(1, 1642900920), (2, 821450460), (3, 547633640), (4, 410725230), (5, 328580184), (6, 273816820), (8, 205362615), (10, 164290092), (12, 136908410), (15, 109526728), (20, 82145046), (24, 68454205), (30, 54763364), (40, 41072523), (60, 27381682), (120, 13690841), (193, 8512440), (386, 4256220), (579, 2837480), (772, 2128110), (965, 1702488), (1158, 1418740), (1544, 1064055), (1930, 851244), (2316, 709370), (2895, 567496), (3860, 425622), (4632, 354685), (5790, 283748), (7720, 212811), (11580, 141874), (23160, 70937)]