27826680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 96468480

約数和(自身を除く): 68641800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 211, 280, 314, 420, 422, 471, 628, 633, 785, 840, 844, 942, 1055, 1099, 1256, 1266, 1477, 1570, 1688, 1884, 2110, 2198, 2355, 2532, 2954, 3140, 3165, 3297, 3768, 4220, 4396, 4431, 4710, 5064, 5495, 5908, 6280, 6330, 6594, 7385, 8440, 8792, 8862, 9420, 10990, 11816, 12660, 13188, 14770, 16485, 17724, 18840, 21980, 22155, 25320, 26376, 29540, 32970, 33127, 35448, 43960, 44310, 59080, 65940, 66254, 88620, 99381, 131880, 132508, 165635, 177240, 198762, 231889, 265016, 331270, 397524, 463778, 496905, 662540, 695667, 795048, 927556, 993810, 1159445, 1325080, 1391334, 1855112, 1987620, 2318890, 2782668, 3478335, 3975240, 4637780, 5565336, 6956670, 9275560, 13913340, 27826680]

約数ペア:

[(1, 27826680), (2, 13913340), (3, 9275560), (4, 6956670), (5, 5565336), (6, 4637780), (7, 3975240), (8, 3478335), (10, 2782668), (12, 2318890), (14, 1987620), (15, 1855112), (20, 1391334), (21, 1325080), (24, 1159445), (28, 993810), (30, 927556), (35, 795048), (40, 695667), (42, 662540), (56, 496905), (60, 463778), (70, 397524), (84, 331270), (105, 265016), (120, 231889), (140, 198762), (157, 177240), (168, 165635), (210, 132508), (211, 131880), (280, 99381), (314, 88620), (420, 66254), (422, 65940), (471, 59080), (628, 44310), (633, 43960), (785, 35448), (840, 33127), (844, 32970), (942, 29540), (1055, 26376), (1099, 25320), (1256, 22155), (1266, 21980), (1477, 18840), (1570, 17724), (1688, 16485), (1884, 14770), (2110, 13188), (2198, 12660), (2355, 11816), (2532, 10990), (2954, 9420), (3140, 8862), (3165, 8792), (3297, 8440), (3768, 7385), (4220, 6594), (4396, 6330), (4431, 6280), (4710, 5908), (5064, 5495)]