205259040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{2909}}^1$

素因数の和:2944

約数の個数: 216

約数和(自身を含む): 815085180

約数和(自身を除く): 609826140

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2909, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5818, 5880, 7056, 7840, 8727, 8820, 10080, 11636, 11760, 14112, 14545, 17454, 17640, 20363, 23272, 23520, 26181, 29090, 34908, 35280, 40726, 43635, 46544, 52362, 58180, 61089, 69816, 70560, 81452, 87270, 93088, 101815, 104724, 116360, 122178, 130905, 139632, 142541, 162904, 174540, 183267, 203630, 209448, 232720, 244356, 261810, 279264, 285082, 305445, 325808, 349080, 366534, 407260, 418896, 427623, 465440, 488712, 523620, 570164, 610890, 651616, 698160, 712705, 733068, 814520, 837792, 855246, 916335, 977424, 1047240, 1140328, 1221780, 1282869, 1396320, 1425410, 1466136, 1629040, 1710492, 1832670, 1954848, 2094480, 2138115, 2280656, 2443560, 2565738, 2850820, 2932272, 3258080, 3420984, 3665340, 4188960, 4276230, 4561312, 4887120, 5131476, 5701640, 5864544, 6414345, 6841968, 7330680, 8552460, 9774240, 10262952, 11403280, 12828690, 13683936, 14661360, 17104920, 20525904, 22806560, 25657380, 29322720, 34209840, 41051808, 51314760, 68419680, 102629520, 205259040]

約数ペア:

[(1, 205259040), (2, 102629520), (3, 68419680), (4, 51314760), (5, 41051808), (6, 34209840), (7, 29322720), (8, 25657380), (9, 22806560), (10, 20525904), (12, 17104920), (14, 14661360), (15, 13683936), (16, 12828690), (18, 11403280), (20, 10262952), (21, 9774240), (24, 8552460), (28, 7330680), (30, 6841968), (32, 6414345), (35, 5864544), (36, 5701640), (40, 5131476), (42, 4887120), (45, 4561312), (48, 4276230), (49, 4188960), (56, 3665340), (60, 3420984), (63, 3258080), (70, 2932272), (72, 2850820), (80, 2565738), (84, 2443560), (90, 2280656), (96, 2138115), (98, 2094480), (105, 1954848), (112, 1832670), (120, 1710492), (126, 1629040), (140, 1466136), (144, 1425410), (147, 1396320), (160, 1282869), (168, 1221780), (180, 1140328), (196, 1047240), (210, 977424), (224, 916335), (240, 855246), (245, 837792), (252, 814520), (280, 733068), (288, 712705), (294, 698160), (315, 651616), (336, 610890), (360, 570164), (392, 523620), (420, 488712), (441, 465440), (480, 427623), (490, 418896), (504, 407260), (560, 366534), (588, 349080), (630, 325808), (672, 305445), (720, 285082), (735, 279264), (784, 261810), (840, 244356), (882, 232720), (980, 209448), (1008, 203630), (1120, 183267), (1176, 174540), (1260, 162904), (1440, 142541), (1470, 139632), (1568, 130905), (1680, 122178), (1764, 116360), (1960, 104724), (2016, 101815), (2205, 93088), (2352, 87270), (2520, 81452), (2909, 70560), (2940, 69816), (3360, 61089), (3528, 58180), (3920, 52362), (4410, 46544), (4704, 43635), (5040, 40726), (5818, 35280), (5880, 34908), (7056, 29090), (7840, 26181), (8727, 23520), (8820, 23272), (10080, 20363), (11636, 17640), (11760, 17454), (14112, 14545)]