39945480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 128459520

約数和(自身を除く): 88514040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 353, 410, 460, 492, 552, 615, 690, 706, 820, 920, 943, 984, 1059, 1230, 1380, 1412, 1640, 1765, 1886, 2118, 2460, 2760, 2824, 2829, 3530, 3772, 4236, 4715, 4920, 5295, 5658, 7060, 7544, 8119, 8472, 9430, 10590, 11316, 14120, 14145, 14473, 16238, 18860, 21180, 22632, 24357, 28290, 28946, 32476, 37720, 40595, 42360, 43419, 48714, 56580, 57892, 64952, 72365, 81190, 86838, 97428, 113160, 115784, 121785, 144730, 162380, 173676, 194856, 217095, 243570, 289460, 324760, 332879, 347352, 434190, 487140, 578920, 665758, 868380, 974280, 998637, 1331516, 1664395, 1736760, 1997274, 2663032, 3328790, 3994548, 4993185, 6657580, 7989096, 9986370, 13315160, 19972740, 39945480]

約数ペア:

[(1, 39945480), (2, 19972740), (3, 13315160), (4, 9986370), (5, 7989096), (6, 6657580), (8, 4993185), (10, 3994548), (12, 3328790), (15, 2663032), (20, 1997274), (23, 1736760), (24, 1664395), (30, 1331516), (40, 998637), (41, 974280), (46, 868380), (60, 665758), (69, 578920), (82, 487140), (92, 434190), (115, 347352), (120, 332879), (123, 324760), (138, 289460), (164, 243570), (184, 217095), (205, 194856), (230, 173676), (246, 162380), (276, 144730), (328, 121785), (345, 115784), (353, 113160), (410, 97428), (460, 86838), (492, 81190), (552, 72365), (615, 64952), (690, 57892), (706, 56580), (820, 48714), (920, 43419), (943, 42360), (984, 40595), (1059, 37720), (1230, 32476), (1380, 28946), (1412, 28290), (1640, 24357), (1765, 22632), (1886, 21180), (2118, 18860), (2460, 16238), (2760, 14473), (2824, 14145), (2829, 14120), (3530, 11316), (3772, 10590), (4236, 9430), (4715, 8472), (4920, 8119), (5295, 7544), (5658, 7060)]