5128305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 10786752

約数和(自身を除く): 5658447

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 169, 195, 221, 255, 273, 289, 357, 455, 507, 595, 663, 845, 867, 1105, 1183, 1365, 1445, 1547, 1785, 2023, 2535, 2873, 3315, 3549, 3757, 4335, 4641, 5915, 6069, 7735, 8619, 10115, 11271, 14365, 17745, 18785, 20111, 23205, 26299, 30345, 43095, 48841, 56355, 60333, 78897, 100555, 131495, 146523, 244205, 301665, 341887, 394485, 732615, 1025661, 1709435, 5128305]

約数ペア:

[(1, 5128305), (3, 1709435), (5, 1025661), (7, 732615), (13, 394485), (15, 341887), (17, 301665), (21, 244205), (35, 146523), (39, 131495), (51, 100555), (65, 78897), (85, 60333), (91, 56355), (105, 48841), (119, 43095), (169, 30345), (195, 26299), (221, 23205), (255, 20111), (273, 18785), (289, 17745), (357, 14365), (455, 11271), (507, 10115), (595, 8619), (663, 7735), (845, 6069), (867, 5915), (1105, 4641), (1183, 4335), (1365, 3757), (1445, 3549), (1547, 3315), (1785, 2873), (2023, 2535)]