131299840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 160

約数和(自身を含む): 381832704

約数和(自身を除く): 250532864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 431, 448, 476, 512, 544, 560, 595, 640, 680, 862, 896, 952, 1088, 1120, 1190, 1280, 1360, 1724, 1792, 1904, 2155, 2176, 2240, 2380, 2560, 2720, 3017, 3448, 3584, 3808, 4310, 4352, 4480, 4760, 5440, 6034, 6896, 7327, 7616, 8620, 8704, 8960, 9520, 10880, 12068, 13792, 14654, 15085, 15232, 17240, 17920, 19040, 21760, 24136, 27584, 29308, 30170, 30464, 34480, 36635, 38080, 43520, 48272, 51289, 55168, 58616, 60340, 60928, 68960, 73270, 76160, 96544, 102578, 110336, 117232, 120680, 137920, 146540, 152320, 193088, 205156, 220672, 234464, 241360, 256445, 275840, 293080, 304640, 386176, 410312, 468928, 482720, 512890, 551680, 586160, 772352, 820624, 937856, 965440, 1025780, 1103360, 1172320, 1544704, 1641248, 1875712, 1930880, 2051560, 2344640, 3282496, 3751424, 3861760, 4103120, 4689280, 6564992, 7723520, 8206240, 9378560, 13129984, 16412480, 18757120, 26259968, 32824960, 65649920, 131299840]

約数ペア:

[(1, 131299840), (2, 65649920), (4, 32824960), (5, 26259968), (7, 18757120), (8, 16412480), (10, 13129984), (14, 9378560), (16, 8206240), (17, 7723520), (20, 6564992), (28, 4689280), (32, 4103120), (34, 3861760), (35, 3751424), (40, 3282496), (56, 2344640), (64, 2051560), (68, 1930880), (70, 1875712), (80, 1641248), (85, 1544704), (112, 1172320), (119, 1103360), (128, 1025780), (136, 965440), (140, 937856), (160, 820624), (170, 772352), (224, 586160), (238, 551680), (256, 512890), (272, 482720), (280, 468928), (320, 410312), (340, 386176), (431, 304640), (448, 293080), (476, 275840), (512, 256445), (544, 241360), (560, 234464), (595, 220672), (640, 205156), (680, 193088), (862, 152320), (896, 146540), (952, 137920), (1088, 120680), (1120, 117232), (1190, 110336), (1280, 102578), (1360, 96544), (1724, 76160), (1792, 73270), (1904, 68960), (2155, 60928), (2176, 60340), (2240, 58616), (2380, 55168), (2560, 51289), (2720, 48272), (3017, 43520), (3448, 38080), (3584, 36635), (3808, 34480), (4310, 30464), (4352, 30170), (4480, 29308), (4760, 27584), (5440, 24136), (6034, 21760), (6896, 19040), (7327, 17920), (7616, 17240), (8620, 15232), (8704, 15085), (8960, 14654), (9520, 13792), (10880, 12068)]