217888920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{881}}^1$

素因数の和:1130

約数の個数: 128

約数和(自身を含む): 730296000

約数和(自身を除く): 512407080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 229, 270, 360, 458, 540, 687, 881, 916, 1080, 1145, 1374, 1762, 1832, 2061, 2290, 2643, 2748, 3435, 3524, 4122, 4405, 4580, 5286, 5496, 6183, 6870, 7048, 7929, 8244, 8810, 9160, 10305, 10572, 12366, 13215, 13740, 15858, 16488, 17620, 20610, 21144, 23787, 24732, 26430, 27480, 30915, 31716, 35240, 39645, 41220, 47574, 49464, 52860, 61830, 63432, 79290, 82440, 95148, 105720, 118935, 123660, 158580, 190296, 201749, 237870, 247320, 317160, 403498, 475740, 605247, 806996, 951480, 1008745, 1210494, 1613992, 1815741, 2017490, 2420988, 3026235, 3631482, 4034980, 4841976, 5447223, 6052470, 7262964, 8069960, 9078705, 10894446, 12104940, 14525928, 18157410, 21788892, 24209880, 27236115, 36314820, 43577784, 54472230, 72629640, 108944460, 217888920]

約数ペア:

[(1, 217888920), (2, 108944460), (3, 72629640), (4, 54472230), (5, 43577784), (6, 36314820), (8, 27236115), (9, 24209880), (10, 21788892), (12, 18157410), (15, 14525928), (18, 12104940), (20, 10894446), (24, 9078705), (27, 8069960), (30, 7262964), (36, 6052470), (40, 5447223), (45, 4841976), (54, 4034980), (60, 3631482), (72, 3026235), (90, 2420988), (108, 2017490), (120, 1815741), (135, 1613992), (180, 1210494), (216, 1008745), (229, 951480), (270, 806996), (360, 605247), (458, 475740), (540, 403498), (687, 317160), (881, 247320), (916, 237870), (1080, 201749), (1145, 190296), (1374, 158580), (1762, 123660), (1832, 118935), (2061, 105720), (2290, 95148), (2643, 82440), (2748, 79290), (3435, 63432), (3524, 61830), (4122, 52860), (4405, 49464), (4580, 47574), (5286, 41220), (5496, 39645), (6183, 35240), (6870, 31716), (7048, 30915), (7929, 27480), (8244, 26430), (8810, 24732), (9160, 23787), (10305, 21144), (10572, 20610), (12366, 17620), (13215, 16488), (13740, 15858)]