28447200

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{439}}^1$

素因数の和:471

約数の個数: 180

約数和(自身を含む): 103977720

約数和(自身を除く): 75530520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 270, 288, 300, 324, 360, 400, 405, 432, 439, 450, 480, 540, 600, 648, 675, 720, 800, 810, 864, 878, 900, 1080, 1200, 1296, 1317, 1350, 1440, 1620, 1756, 1800, 2025, 2160, 2195, 2400, 2592, 2634, 2700, 3240, 3512, 3600, 3951, 4050, 4320, 4390, 5268, 5400, 6480, 6585, 7024, 7200, 7902, 8100, 8780, 10536, 10800, 10975, 11853, 12960, 13170, 14048, 15804, 16200, 17560, 19755, 21072, 21600, 21950, 23706, 26340, 31608, 32400, 32925, 35120, 35559, 39510, 42144, 43900, 47412, 52680, 59265, 63216, 64800, 65850, 70240, 71118, 79020, 87800, 94824, 98775, 105360, 118530, 126432, 131700, 142236, 158040, 175600, 177795, 189648, 197550, 210720, 237060, 263400, 284472, 296325, 316080, 351200, 355590, 379296, 395100, 474120, 526800, 568944, 592650, 632160, 711180, 790200, 888975, 948240, 1053600, 1137888, 1185300, 1422360, 1580400, 1777950, 1896480, 2370600, 2844720, 3160800, 3555900, 4741200, 5689440, 7111800, 9482400, 14223600, 28447200]

約数ペア:

[(1, 28447200), (2, 14223600), (3, 9482400), (4, 7111800), (5, 5689440), (6, 4741200), (8, 3555900), (9, 3160800), (10, 2844720), (12, 2370600), (15, 1896480), (16, 1777950), (18, 1580400), (20, 1422360), (24, 1185300), (25, 1137888), (27, 1053600), (30, 948240), (32, 888975), (36, 790200), (40, 711180), (45, 632160), (48, 592650), (50, 568944), (54, 526800), (60, 474120), (72, 395100), (75, 379296), (80, 355590), (81, 351200), (90, 316080), (96, 296325), (100, 284472), (108, 263400), (120, 237060), (135, 210720), (144, 197550), (150, 189648), (160, 177795), (162, 175600), (180, 158040), (200, 142236), (216, 131700), (225, 126432), (240, 118530), (270, 105360), (288, 98775), (300, 94824), (324, 87800), (360, 79020), (400, 71118), (405, 70240), (432, 65850), (439, 64800), (450, 63216), (480, 59265), (540, 52680), (600, 47412), (648, 43900), (675, 42144), (720, 39510), (800, 35559), (810, 35120), (864, 32925), (878, 32400), (900, 31608), (1080, 26340), (1200, 23706), (1296, 21950), (1317, 21600), (1350, 21072), (1440, 19755), (1620, 17560), (1756, 16200), (1800, 15804), (2025, 14048), (2160, 13170), (2195, 12960), (2400, 11853), (2592, 10975), (2634, 10800), (2700, 10536), (3240, 8780), (3512, 8100), (3600, 7902), (3951, 7200), (4050, 7024), (4320, 6585), (4390, 6480), (5268, 5400)]