78681780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2895

約数の個数: 120

約数和(自身を含む): 261438408

約数和(自身を除く): 182756628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 2295, 2754, 2857, 3060, 4590, 5508, 5714, 6885, 8571, 9180, 11428, 13770, 14285, 17142, 25713, 27540, 28570, 34284, 42855, 48569, 51426, 57140, 77139, 85710, 97138, 102852, 128565, 145707, 154278, 171420, 194276, 231417, 242845, 257130, 291414, 308556, 385695, 437121, 462834, 485690, 514260, 582828, 728535, 771390, 874242, 925668, 971380, 1157085, 1311363, 1457070, 1542780, 1748484, 2185605, 2314170, 2622726, 2914140, 3934089, 4371210, 4628340, 5245452, 6556815, 7868178, 8742420, 13113630, 15736356, 19670445, 26227260, 39340890, 78681780]

約数ペア:

[(1, 78681780), (2, 39340890), (3, 26227260), (4, 19670445), (5, 15736356), (6, 13113630), (9, 8742420), (10, 7868178), (12, 6556815), (15, 5245452), (17, 4628340), (18, 4371210), (20, 3934089), (27, 2914140), (30, 2622726), (34, 2314170), (36, 2185605), (45, 1748484), (51, 1542780), (54, 1457070), (60, 1311363), (68, 1157085), (81, 971380), (85, 925668), (90, 874242), (102, 771390), (108, 728535), (135, 582828), (153, 514260), (162, 485690), (170, 462834), (180, 437121), (204, 385695), (255, 308556), (270, 291414), (306, 257130), (324, 242845), (340, 231417), (405, 194276), (459, 171420), (510, 154278), (540, 145707), (612, 128565), (765, 102852), (810, 97138), (918, 85710), (1020, 77139), (1377, 57140), (1530, 51426), (1620, 48569), (1836, 42855), (2295, 34284), (2754, 28570), (2857, 27540), (3060, 25713), (4590, 17142), (5508, 14285), (5714, 13770), (6885, 11428), (8571, 9180)]