208238520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1$

素因数の和:1757

約数の個数: 128

約数和(自身を含む): 718963200

約数和(自身を除く): 510724680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1570, 1579, 1884, 2198, 2355, 3140, 3158, 3297, 3768, 4396, 4710, 4737, 5495, 6280, 6316, 6594, 7895, 8792, 9420, 9474, 10990, 11053, 12632, 13188, 15790, 16485, 18840, 18948, 21980, 22106, 23685, 26376, 31580, 32970, 33159, 37896, 43960, 44212, 47370, 55265, 63160, 65940, 66318, 88424, 94740, 110530, 131880, 132636, 165795, 189480, 221060, 247903, 265272, 331590, 442120, 495806, 663180, 743709, 991612, 1239515, 1326360, 1487418, 1735321, 1983224, 2479030, 2974836, 3470642, 3718545, 4958060, 5205963, 5949672, 6941284, 7437090, 8676605, 9916120, 10411926, 13882568, 14874180, 17353210, 20823852, 26029815, 29748360, 34706420, 41647704, 52059630, 69412840, 104119260, 208238520]

約数ペア:

[(1, 208238520), (2, 104119260), (3, 69412840), (4, 52059630), (5, 41647704), (6, 34706420), (7, 29748360), (8, 26029815), (10, 20823852), (12, 17353210), (14, 14874180), (15, 13882568), (20, 10411926), (21, 9916120), (24, 8676605), (28, 7437090), (30, 6941284), (35, 5949672), (40, 5205963), (42, 4958060), (56, 3718545), (60, 3470642), (70, 2974836), (84, 2479030), (105, 1983224), (120, 1735321), (140, 1487418), (157, 1326360), (168, 1239515), (210, 991612), (280, 743709), (314, 663180), (420, 495806), (471, 442120), (628, 331590), (785, 265272), (840, 247903), (942, 221060), (1099, 189480), (1256, 165795), (1570, 132636), (1579, 131880), (1884, 110530), (2198, 94740), (2355, 88424), (3140, 66318), (3158, 65940), (3297, 63160), (3768, 55265), (4396, 47370), (4710, 44212), (4737, 43960), (5495, 37896), (6280, 33159), (6316, 32970), (6594, 31580), (7895, 26376), (8792, 23685), (9420, 22106), (9474, 21980), (10990, 18948), (11053, 18840), (12632, 16485), (13188, 15790)]