28811580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 92951040

約数和(自身を除く): 64139460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 181, 210, 362, 379, 420, 543, 724, 758, 905, 1086, 1137, 1267, 1516, 1810, 1895, 2172, 2274, 2534, 2653, 2715, 3620, 3790, 3801, 4548, 5068, 5306, 5430, 5685, 6335, 7580, 7602, 7959, 10612, 10860, 11370, 12670, 13265, 15204, 15918, 19005, 22740, 25340, 26530, 31836, 38010, 39795, 53060, 68599, 76020, 79590, 137198, 159180, 205797, 274396, 342995, 411594, 480193, 685990, 823188, 960386, 1028985, 1371980, 1440579, 1920772, 2057970, 2400965, 2881158, 4115940, 4801930, 5762316, 7202895, 9603860, 14405790, 28811580]

約数ペア:

[(1, 28811580), (2, 14405790), (3, 9603860), (4, 7202895), (5, 5762316), (6, 4801930), (7, 4115940), (10, 2881158), (12, 2400965), (14, 2057970), (15, 1920772), (20, 1440579), (21, 1371980), (28, 1028985), (30, 960386), (35, 823188), (42, 685990), (60, 480193), (70, 411594), (84, 342995), (105, 274396), (140, 205797), (181, 159180), (210, 137198), (362, 79590), (379, 76020), (420, 68599), (543, 53060), (724, 39795), (758, 38010), (905, 31836), (1086, 26530), (1137, 25340), (1267, 22740), (1516, 19005), (1810, 15918), (1895, 15204), (2172, 13265), (2274, 12670), (2534, 11370), (2653, 10860), (2715, 10612), (3620, 7959), (3790, 7602), (3801, 7580), (4548, 6335), (5068, 5685), (5306, 5430)]