405960

素因数分解:

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

素因数の和:230

約数の個数: 64

約数和(自身を含む): 1296000

約数和(自身を除く): 890040

約数列:

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

約数ペア:

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