1981527840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2003}}^1$

素因数の和:2256

約数の個数: 192

約数和(自身を含む): 6969110400

約数和(自身を除く): 4987582560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 229, 240, 270, 288, 360, 432, 458, 480, 540, 687, 720, 864, 916, 1080, 1145, 1374, 1440, 1832, 2003, 2061, 2160, 2290, 2748, 3435, 3664, 4006, 4122, 4320, 4580, 5496, 6009, 6183, 6870, 7328, 8012, 8244, 9160, 10015, 10305, 10992, 12018, 12366, 13740, 16024, 16488, 18027, 18320, 20030, 20610, 21984, 24036, 24732, 27480, 30045, 30915, 32048, 32976, 36054, 36640, 40060, 41220, 48072, 49464, 54081, 54960, 60090, 61830, 64096, 65952, 72108, 80120, 82440, 90135, 96144, 98928, 108162, 109920, 120180, 123660, 144216, 160240, 164880, 180270, 192288, 197856, 216324, 240360, 247320, 270405, 288432, 320480, 329760, 360540, 432648, 458687, 480720, 494640, 540810, 576864, 721080, 865296, 917374, 961440, 989280, 1081620, 1376061, 1442160, 1730592, 1834748, 2163240, 2293435, 2752122, 2884320, 3669496, 4128183, 4326480, 4586870, 5504244, 6880305, 7338992, 8256366, 8652960, 9173740, 11008488, 12384549, 13760610, 14677984, 16512732, 18347480, 20640915, 22016976, 24769098, 27521220, 33025464, 36694960, 41281830, 44033952, 49538196, 55042440, 61922745, 66050928, 73389920, 82563660, 99076392, 110084880, 123845490, 132101856, 165127320, 198152784, 220169760, 247690980, 330254640, 396305568, 495381960, 660509280, 990763920, 1981527840]

約数ペア:

[(1, 1981527840), (2, 990763920), (3, 660509280), (4, 495381960), (5, 396305568), (6, 330254640), (8, 247690980), (9, 220169760), (10, 198152784), (12, 165127320), (15, 132101856), (16, 123845490), (18, 110084880), (20, 99076392), (24, 82563660), (27, 73389920), (30, 66050928), (32, 61922745), (36, 55042440), (40, 49538196), (45, 44033952), (48, 41281830), (54, 36694960), (60, 33025464), (72, 27521220), (80, 24769098), (90, 22016976), (96, 20640915), (108, 18347480), (120, 16512732), (135, 14677984), (144, 13760610), (160, 12384549), (180, 11008488), (216, 9173740), (229, 8652960), (240, 8256366), (270, 7338992), (288, 6880305), (360, 5504244), (432, 4586870), (458, 4326480), (480, 4128183), (540, 3669496), (687, 2884320), (720, 2752122), (864, 2293435), (916, 2163240), (1080, 1834748), (1145, 1730592), (1374, 1442160), (1440, 1376061), (1832, 1081620), (2003, 989280), (2061, 961440), (2160, 917374), (2290, 865296), (2748, 721080), (3435, 576864), (3664, 540810), (4006, 494640), (4122, 480720), (4320, 458687), (4580, 432648), (5496, 360540), (6009, 329760), (6183, 320480), (6870, 288432), (7328, 270405), (8012, 247320), (8244, 240360), (9160, 216324), (10015, 197856), (10305, 192288), (10992, 180270), (12018, 164880), (12366, 160240), (13740, 144216), (16024, 123660), (16488, 120180), (18027, 109920), (18320, 108162), (20030, 98928), (20610, 96144), (21984, 90135), (24036, 82440), (24732, 80120), (27480, 72108), (30045, 65952), (30915, 64096), (32048, 61830), (32976, 60090), (36054, 54960), (36640, 54081), (40060, 49464), (41220, 48072)]