2020858980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{1069}}^1$

素因数の和:1738

約数の個数: 144

約数和(自身を含む): 6598630080

約数和(自身を除く): 4577771100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 643, 735, 980, 1069, 1286, 1470, 1929, 2138, 2572, 2940, 3207, 3215, 3858, 4276, 4501, 5345, 6414, 6430, 7483, 7716, 9002, 9645, 10690, 12828, 12860, 13503, 14966, 16035, 18004, 19290, 21380, 22449, 22505, 27006, 29932, 31507, 32070, 37415, 38580, 44898, 45010, 52381, 54012, 63014, 64140, 67515, 74830, 89796, 90020, 94521, 104762, 112245, 126028, 135030, 149660, 157143, 157535, 189042, 209524, 224490, 261905, 270060, 314286, 315070, 378084, 448980, 472605, 523810, 628572, 630140, 687367, 785715, 945210, 1047620, 1374734, 1571430, 1890420, 2062101, 2749468, 3142860, 3436835, 4124202, 4811569, 6873670, 8248404, 9623138, 10310505, 13747340, 14434707, 19246276, 20621010, 24057845, 28869414, 33680983, 41242020, 48115690, 57738828, 67361966, 72173535, 96231380, 101042949, 134723932, 144347070, 168404915, 202085898, 288694140, 336809830, 404171796, 505214745, 673619660, 1010429490, 2020858980]

約数ペア:

[(1, 2020858980), (2, 1010429490), (3, 673619660), (4, 505214745), (5, 404171796), (6, 336809830), (7, 288694140), (10, 202085898), (12, 168404915), (14, 144347070), (15, 134723932), (20, 101042949), (21, 96231380), (28, 72173535), (30, 67361966), (35, 57738828), (42, 48115690), (49, 41242020), (60, 33680983), (70, 28869414), (84, 24057845), (98, 20621010), (105, 19246276), (140, 14434707), (147, 13747340), (196, 10310505), (210, 9623138), (245, 8248404), (294, 6873670), (420, 4811569), (490, 4124202), (588, 3436835), (643, 3142860), (735, 2749468), (980, 2062101), (1069, 1890420), (1286, 1571430), (1470, 1374734), (1929, 1047620), (2138, 945210), (2572, 785715), (2940, 687367), (3207, 630140), (3215, 628572), (3858, 523810), (4276, 472605), (4501, 448980), (5345, 378084), (6414, 315070), (6430, 314286), (7483, 270060), (7716, 261905), (9002, 224490), (9645, 209524), (10690, 189042), (12828, 157535), (12860, 157143), (13503, 149660), (14966, 135030), (16035, 126028), (18004, 112245), (19290, 104762), (21380, 94521), (22449, 90020), (22505, 89796), (27006, 74830), (29932, 67515), (31507, 64140), (32070, 63014), (37415, 54012), (38580, 52381), (44898, 45010)]