18002520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 61056000

約数和(自身を除く): 43053480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 211, 216, 237, 270, 316, 360, 395, 422, 474, 540, 632, 633, 711, 790, 844, 948, 1055, 1080, 1185, 1266, 1422, 1580, 1688, 1896, 1899, 2110, 2133, 2370, 2532, 2844, 3160, 3165, 3555, 3798, 4220, 4266, 4740, 5064, 5688, 5697, 6330, 7110, 7596, 8440, 8532, 9480, 9495, 10665, 11394, 12660, 14220, 15192, 16669, 17064, 18990, 21330, 22788, 25320, 28440, 28485, 33338, 37980, 42660, 45576, 50007, 56970, 66676, 75960, 83345, 85320, 100014, 113940, 133352, 150021, 166690, 200028, 227880, 250035, 300042, 333380, 400056, 450063, 500070, 600084, 666760, 750105, 900126, 1000140, 1200168, 1500210, 1800252, 2000280, 2250315, 3000420, 3600504, 4500630, 6000840, 9001260, 18002520]

約数ペア:

[(1, 18002520), (2, 9001260), (3, 6000840), (4, 4500630), (5, 3600504), (6, 3000420), (8, 2250315), (9, 2000280), (10, 1800252), (12, 1500210), (15, 1200168), (18, 1000140), (20, 900126), (24, 750105), (27, 666760), (30, 600084), (36, 500070), (40, 450063), (45, 400056), (54, 333380), (60, 300042), (72, 250035), (79, 227880), (90, 200028), (108, 166690), (120, 150021), (135, 133352), (158, 113940), (180, 100014), (211, 85320), (216, 83345), (237, 75960), (270, 66676), (316, 56970), (360, 50007), (395, 45576), (422, 42660), (474, 37980), (540, 33338), (632, 28485), (633, 28440), (711, 25320), (790, 22788), (844, 21330), (948, 18990), (1055, 17064), (1080, 16669), (1185, 15192), (1266, 14220), (1422, 12660), (1580, 11394), (1688, 10665), (1896, 9495), (1899, 9480), (2110, 8532), (2133, 8440), (2370, 7596), (2532, 7110), (2844, 6330), (3160, 5697), (3165, 5688), (3555, 5064), (3798, 4740), (4220, 4266)]