15663926325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{2087}}^1$

素因数の和:2371

約数の個数: 96

約数和(自身を含む): 28583884800

約数和(自身を除く): 12919958475

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 229, 285, 345, 437, 475, 575, 687, 1145, 1311, 1425, 1725, 2087, 2185, 3435, 4351, 5267, 5725, 6261, 6555, 10435, 10925, 13053, 15801, 17175, 21755, 26335, 31305, 32775, 39653, 48001, 52175, 65265, 79005, 100073, 108775, 118959, 131675, 144003, 156525, 198265, 240005, 300219, 326325, 395025, 477923, 500365, 594795, 720015, 912019, 991325, 1200025, 1433769, 1501095, 2389615, 2501825, 2736057, 2973975, 3600075, 4560095, 7168845, 7505475, 9080537, 10992229, 11948075, 13680285, 22800475, 27241611, 32976687, 35844225, 45402685, 54961145, 68401425, 136208055, 164883435, 208852351, 227013425, 274805725, 626557053, 681040275, 824417175, 1044261755, 3132785265, 5221308775, 15663926325]

約数ペア:

[(1, 15663926325), (3, 5221308775), (5, 3132785265), (15, 1044261755), (19, 824417175), (23, 681040275), (25, 626557053), (57, 274805725), (69, 227013425), (75, 208852351), (95, 164883435), (115, 136208055), (229, 68401425), (285, 54961145), (345, 45402685), (437, 35844225), (475, 32976687), (575, 27241611), (687, 22800475), (1145, 13680285), (1311, 11948075), (1425, 10992229), (1725, 9080537), (2087, 7505475), (2185, 7168845), (3435, 4560095), (4351, 3600075), (5267, 2973975), (5725, 2736057), (6261, 2501825), (6555, 2389615), (10435, 1501095), (10925, 1433769), (13053, 1200025), (15801, 991325), (17175, 912019), (21755, 720015), (26335, 594795), (31305, 500365), (32775, 477923), (39653, 395025), (48001, 326325), (52175, 300219), (65265, 240005), (79005, 198265), (100073, 156525), (108775, 144003), (118959, 131675)]