68537560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1041

約数の個数: 128

約数和(自身を含む): 199987200

約数和(自身を除く): 131449640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 991, 1064, 1235, 1330, 1729, 1820, 1976, 1982, 2470, 2660, 3458, 3640, 3964, 4940, 4955, 5320, 6916, 6937, 7928, 8645, 9880, 9910, 12883, 13832, 13874, 17290, 18829, 19820, 25766, 27748, 34580, 34685, 37658, 39640, 51532, 55496, 64415, 69160, 69370, 75316, 90181, 94145, 103064, 128830, 131803, 138740, 150632, 180362, 188290, 244777, 257660, 263606, 277480, 360724, 376580, 450905, 489554, 515320, 527212, 659015, 721448, 753160, 901810, 979108, 1054424, 1223885, 1318030, 1713439, 1803620, 1958216, 2447770, 2636060, 3426878, 3607240, 4895540, 5272120, 6853756, 8567195, 9791080, 13707512, 17134390, 34268780, 68537560]

約数ペア:

[(1, 68537560), (2, 34268780), (4, 17134390), (5, 13707512), (7, 9791080), (8, 8567195), (10, 6853756), (13, 5272120), (14, 4895540), (19, 3607240), (20, 3426878), (26, 2636060), (28, 2447770), (35, 1958216), (38, 1803620), (40, 1713439), (52, 1318030), (56, 1223885), (65, 1054424), (70, 979108), (76, 901810), (91, 753160), (95, 721448), (104, 659015), (130, 527212), (133, 515320), (140, 489554), (152, 450905), (182, 376580), (190, 360724), (247, 277480), (260, 263606), (266, 257660), (280, 244777), (364, 188290), (380, 180362), (455, 150632), (494, 138740), (520, 131803), (532, 128830), (665, 103064), (728, 94145), (760, 90181), (910, 75316), (988, 69370), (991, 69160), (1064, 64415), (1235, 55496), (1330, 51532), (1729, 39640), (1820, 37658), (1976, 34685), (1982, 34580), (2470, 27748), (2660, 25766), (3458, 19820), (3640, 18829), (3964, 17290), (4940, 13874), (4955, 13832), (5320, 12883), (6916, 9910), (6937, 9880), (7928, 8645)]