31156920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1697}}^1$

素因数の和:1734

約数の個数: 128

約数和(自身を含む): 110030400

約数和(自身を除く): 78873480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1224, 1530, 1697, 1836, 2040, 2295, 3060, 3394, 3672, 4590, 5091, 6120, 6788, 8485, 9180, 10182, 13576, 15273, 16970, 18360, 20364, 25455, 28849, 30546, 33940, 40728, 45819, 50910, 57698, 61092, 67880, 76365, 86547, 91638, 101820, 115396, 122184, 144245, 152730, 173094, 183276, 203640, 229095, 230792, 259641, 288490, 305460, 346188, 366552, 432735, 458190, 519282, 576980, 610920, 692376, 778923, 865470, 916380, 1038564, 1153960, 1298205, 1557846, 1730940, 1832760, 2077128, 2596410, 3115692, 3461880, 3894615, 5192820, 6231384, 7789230, 10385640, 15578460, 31156920]

約数ペア:

[(1, 31156920), (2, 15578460), (3, 10385640), (4, 7789230), (5, 6231384), (6, 5192820), (8, 3894615), (9, 3461880), (10, 3115692), (12, 2596410), (15, 2077128), (17, 1832760), (18, 1730940), (20, 1557846), (24, 1298205), (27, 1153960), (30, 1038564), (34, 916380), (36, 865470), (40, 778923), (45, 692376), (51, 610920), (54, 576980), (60, 519282), (68, 458190), (72, 432735), (85, 366552), (90, 346188), (102, 305460), (108, 288490), (120, 259641), (135, 230792), (136, 229095), (153, 203640), (170, 183276), (180, 173094), (204, 152730), (216, 144245), (255, 122184), (270, 115396), (306, 101820), (340, 91638), (360, 86547), (408, 76365), (459, 67880), (510, 61092), (540, 57698), (612, 50910), (680, 45819), (765, 40728), (918, 33940), (1020, 30546), (1080, 28849), (1224, 25455), (1530, 20364), (1697, 18360), (1836, 16970), (2040, 15273), (2295, 13576), (3060, 10182), (3394, 9180), (3672, 8485), (4590, 6788), (5091, 6120)]