81474960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48497}}^1$

素因数の和:48520

約数の個数: 80

約数和(自身を含む): 288660096

約数和(自身を除く): 207185136

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, 48497, 96994, 145491, 193988, 242485, 290982, 339479, 387976, 484970, 581964, 678958, 727455, 775952, 969940, 1018437, 1163928, 1357916, 1454910, 1697395, 1939880, 2036874, 2327856, 2715832, 2909820, 3394790, 3879760, 4073748, 5092185, 5431664, 5819640, 6789580, 8147496, 10184370, 11639280, 13579160, 16294992, 20368740, 27158320, 40737480, 81474960]

約数ペア:

[(1, 81474960), (2, 40737480), (3, 27158320), (4, 20368740), (5, 16294992), (6, 13579160), (7, 11639280), (8, 10184370), (10, 8147496), (12, 6789580), (14, 5819640), (15, 5431664), (16, 5092185), (20, 4073748), (21, 3879760), (24, 3394790), (28, 2909820), (30, 2715832), (35, 2327856), (40, 2036874), (42, 1939880), (48, 1697395), (56, 1454910), (60, 1357916), (70, 1163928), (80, 1018437), (84, 969940), (105, 775952), (112, 727455), (120, 678958), (140, 581964), (168, 484970), (210, 387976), (240, 339479), (280, 290982), (336, 242485), (420, 193988), (560, 145491), (840, 96994), (1680, 48497)]