811920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 2678400

約数和(自身を除く): 1866480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 199, 204, 240, 255, 272, 340, 398, 408, 510, 597, 680, 796, 816, 995, 1020, 1194, 1360, 1592, 1990, 2040, 2388, 2985, 3184, 3383, 3980, 4080, 4776, 5970, 6766, 7960, 9552, 10149, 11940, 13532, 15920, 16915, 20298, 23880, 27064, 33830, 40596, 47760, 50745, 54128, 67660, 81192, 101490, 135320, 162384, 202980, 270640, 405960, 811920]

約数ペア:

[(1, 811920), (2, 405960), (3, 270640), (4, 202980), (5, 162384), (6, 135320), (8, 101490), (10, 81192), (12, 67660), (15, 54128), (16, 50745), (17, 47760), (20, 40596), (24, 33830), (30, 27064), (34, 23880), (40, 20298), (48, 16915), (51, 15920), (60, 13532), (68, 11940), (80, 10149), (85, 9552), (102, 7960), (120, 6766), (136, 5970), (170, 4776), (199, 4080), (204, 3980), (240, 3383), (255, 3184), (272, 2985), (340, 2388), (398, 2040), (408, 1990), (510, 1592), (597, 1360), (680, 1194), (796, 1020), (816, 995)]