66651760

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{347}}^1$

素因数の和:388

約数の個数: 100

約数和(自身を含む): 181303128

約数和(自身を除く): 114651368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 347, 392, 490, 560, 686, 694, 784, 980, 1372, 1388, 1715, 1735, 1960, 2401, 2429, 2744, 2776, 3430, 3470, 3920, 4802, 4858, 5488, 5552, 6860, 6940, 9604, 9716, 12005, 12145, 13720, 13880, 17003, 19208, 19432, 24010, 24290, 27440, 27760, 34006, 38416, 38864, 48020, 48580, 68012, 85015, 96040, 97160, 119021, 136024, 170030, 192080, 194320, 238042, 272048, 340060, 476084, 595105, 680120, 833147, 952168, 1190210, 1360240, 1666294, 1904336, 2380420, 3332588, 4165735, 4760840, 6665176, 8331470, 9521680, 13330352, 16662940, 33325880, 66651760]

約数ペア:

[(1, 66651760), (2, 33325880), (4, 16662940), (5, 13330352), (7, 9521680), (8, 8331470), (10, 6665176), (14, 4760840), (16, 4165735), (20, 3332588), (28, 2380420), (35, 1904336), (40, 1666294), (49, 1360240), (56, 1190210), (70, 952168), (80, 833147), (98, 680120), (112, 595105), (140, 476084), (196, 340060), (245, 272048), (280, 238042), (343, 194320), (347, 192080), (392, 170030), (490, 136024), (560, 119021), (686, 97160), (694, 96040), (784, 85015), (980, 68012), (1372, 48580), (1388, 48020), (1715, 38864), (1735, 38416), (1960, 34006), (2401, 27760), (2429, 27440), (2744, 24290), (2776, 24010), (3430, 19432), (3470, 19208), (3920, 17003), (4802, 13880), (4858, 13720), (5488, 12145), (5552, 12005), (6860, 9716), (6940, 9604)]