177364720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1082

約数の個数: 80

約数和(自身を含む): 446846400

約数和(自身を除く): 269481680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 260, 398, 520, 796, 857, 995, 1040, 1592, 1714, 1990, 2587, 3184, 3428, 3980, 4285, 5174, 6856, 7960, 8570, 10348, 11141, 12935, 13712, 15920, 17140, 20696, 22282, 25870, 34280, 41392, 44564, 51740, 55705, 68560, 89128, 103480, 111410, 170543, 178256, 206960, 222820, 341086, 445640, 682172, 852715, 891280, 1364344, 1705430, 2217059, 2728688, 3410860, 4434118, 6821720, 8868236, 11085295, 13643440, 17736472, 22170590, 35472944, 44341180, 88682360, 177364720]

約数ペア:

[(1, 177364720), (2, 88682360), (4, 44341180), (5, 35472944), (8, 22170590), (10, 17736472), (13, 13643440), (16, 11085295), (20, 8868236), (26, 6821720), (40, 4434118), (52, 3410860), (65, 2728688), (80, 2217059), (104, 1705430), (130, 1364344), (199, 891280), (208, 852715), (260, 682172), (398, 445640), (520, 341086), (796, 222820), (857, 206960), (995, 178256), (1040, 170543), (1592, 111410), (1714, 103480), (1990, 89128), (2587, 68560), (3184, 55705), (3428, 51740), (3980, 44564), (4285, 41392), (5174, 34280), (6856, 25870), (7960, 22282), (8570, 20696), (10348, 17140), (11141, 15920), (12935, 13712)]