781997160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1549}}^1$

素因数の和:2171

約数の個数: 128

約数和(自身を含む): 2687328000

約数和(自身を除く): 1905330840

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, 168, 210, 280, 420, 601, 840, 1202, 1549, 1803, 2404, 3005, 3098, 3606, 4207, 4647, 4808, 6010, 6196, 7212, 7745, 8414, 9015, 9294, 10843, 12020, 12392, 12621, 14424, 15490, 16828, 18030, 18588, 21035, 21686, 23235, 24040, 25242, 30980, 32529, 33656, 36060, 37176, 42070, 43372, 46470, 50484, 54215, 61960, 63105, 65058, 72120, 84140, 86744, 92940, 100968, 108430, 126210, 130116, 162645, 168280, 185880, 216860, 252420, 260232, 325290, 433720, 504840, 650580, 930949, 1301160, 1861898, 2792847, 3723796, 4654745, 5585694, 6516643, 7447592, 9309490, 11171388, 13033286, 13964235, 18618980, 19549929, 22342776, 26066572, 27928470, 32583215, 37237960, 39099858, 52133144, 55856940, 65166430, 78199716, 97749645, 111713880, 130332860, 156399432, 195499290, 260665720, 390998580, 781997160]

約数ペア:

[(1, 781997160), (2, 390998580), (3, 260665720), (4, 195499290), (5, 156399432), (6, 130332860), (7, 111713880), (8, 97749645), (10, 78199716), (12, 65166430), (14, 55856940), (15, 52133144), (20, 39099858), (21, 37237960), (24, 32583215), (28, 27928470), (30, 26066572), (35, 22342776), (40, 19549929), (42, 18618980), (56, 13964235), (60, 13033286), (70, 11171388), (84, 9309490), (105, 7447592), (120, 6516643), (140, 5585694), (168, 4654745), (210, 3723796), (280, 2792847), (420, 1861898), (601, 1301160), (840, 930949), (1202, 650580), (1549, 504840), (1803, 433720), (2404, 325290), (3005, 260232), (3098, 252420), (3606, 216860), (4207, 185880), (4647, 168280), (4808, 162645), (6010, 130116), (6196, 126210), (7212, 108430), (7745, 100968), (8414, 92940), (9015, 86744), (9294, 84140), (10843, 72120), (12020, 65058), (12392, 63105), (12621, 61960), (14424, 54215), (15490, 50484), (16828, 46470), (18030, 43372), (18588, 42070), (21035, 37176), (21686, 36060), (23235, 33656), (24040, 32529), (25242, 30980)]