1721009280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52727}}^1$

素因数の和:52766

約数の個数: 128

約数和(自身を含む): 5808516480

約数和(自身を除く): 4087507200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 32640, 52727, 105454, 158181, 210908, 263635, 316362, 421816, 527270, 632724, 790905, 843632, 896359, 1054540, 1265448, 1581810, 1687264, 1792718, 2109080, 2530896, 2689077, 3163620, 3374528, 3585436, 4218160, 4481795, 5061792, 5378154, 6327240, 6749056, 7170872, 8436320, 8963590, 10123584, 10756308, 12654480, 13445385, 14341744, 16872640, 17927180, 20247168, 21512616, 25308960, 26890770, 28683488, 33745280, 35854360, 43025232, 50617920, 53781540, 57366976, 71708720, 86050464, 101235840, 107563080, 114733952, 143417440, 172100928, 215126160, 286834880, 344201856, 430252320, 573669760, 860504640, 1721009280]

約数ペア:

[(1, 1721009280), (2, 860504640), (3, 573669760), (4, 430252320), (5, 344201856), (6, 286834880), (8, 215126160), (10, 172100928), (12, 143417440), (15, 114733952), (16, 107563080), (17, 101235840), (20, 86050464), (24, 71708720), (30, 57366976), (32, 53781540), (34, 50617920), (40, 43025232), (48, 35854360), (51, 33745280), (60, 28683488), (64, 26890770), (68, 25308960), (80, 21512616), (85, 20247168), (96, 17927180), (102, 16872640), (120, 14341744), (128, 13445385), (136, 12654480), (160, 10756308), (170, 10123584), (192, 8963590), (204, 8436320), (240, 7170872), (255, 6749056), (272, 6327240), (320, 5378154), (340, 5061792), (384, 4481795), (408, 4218160), (480, 3585436), (510, 3374528), (544, 3163620), (640, 2689077), (680, 2530896), (816, 2109080), (960, 1792718), (1020, 1687264), (1088, 1581810), (1360, 1265448), (1632, 1054540), (1920, 896359), (2040, 843632), (2176, 790905), (2720, 632724), (3264, 527270), (4080, 421816), (5440, 316362), (6528, 263635), (8160, 210908), (10880, 158181), (16320, 105454), (32640, 52727)]