77571690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{709}}^1$

素因数の和:1247

約数の個数: 64

約数和(自身を含む): 213477120

約数和(自身を除く): 135905430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 521, 709, 1042, 1418, 1563, 2127, 2605, 3126, 3545, 3647, 4254, 4963, 5210, 7090, 7294, 7815, 9926, 10635, 10941, 14889, 15630, 18235, 21270, 21882, 24815, 29778, 36470, 49630, 54705, 74445, 109410, 148890, 369389, 738778, 1108167, 1846945, 2216334, 2585723, 3693890, 5171446, 5540835, 7757169, 11081670, 12928615, 15514338, 25857230, 38785845, 77571690]

約数ペア:

[(1, 77571690), (2, 38785845), (3, 25857230), (5, 15514338), (6, 12928615), (7, 11081670), (10, 7757169), (14, 5540835), (15, 5171446), (21, 3693890), (30, 2585723), (35, 2216334), (42, 1846945), (70, 1108167), (105, 738778), (210, 369389), (521, 148890), (709, 109410), (1042, 74445), (1418, 54705), (1563, 49630), (2127, 36470), (2605, 29778), (3126, 24815), (3545, 21882), (3647, 21270), (4254, 18235), (4963, 15630), (5210, 14889), (7090, 10941), (7294, 10635), (7815, 9926)]