15211280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1224

約数の個数: 80

約数和(自身を含む): 42211584

約数和(自身を除く): 27000304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1181, 1288, 1610, 1840, 2362, 2576, 3220, 4724, 5905, 6440, 8267, 9448, 11810, 12880, 16534, 18896, 23620, 27163, 33068, 41335, 47240, 54326, 66136, 82670, 94480, 108652, 132272, 135815, 165340, 190141, 217304, 271630, 330680, 380282, 434608, 543260, 661360, 760564, 950705, 1086520, 1521128, 1901410, 2173040, 3042256, 3802820, 7605640, 15211280]

約数ペア:

[(1, 15211280), (2, 7605640), (4, 3802820), (5, 3042256), (7, 2173040), (8, 1901410), (10, 1521128), (14, 1086520), (16, 950705), (20, 760564), (23, 661360), (28, 543260), (35, 434608), (40, 380282), (46, 330680), (56, 271630), (70, 217304), (80, 190141), (92, 165340), (112, 135815), (115, 132272), (140, 108652), (161, 94480), (184, 82670), (230, 66136), (280, 54326), (322, 47240), (368, 41335), (460, 33068), (560, 27163), (644, 23620), (805, 18896), (920, 16534), (1181, 12880), (1288, 11810), (1610, 9448), (1840, 8267), (2362, 6440), (2576, 5905), (3220, 4724)]