138748960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 389261376

約数和(自身を除く): 250512416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 67, 70, 80, 86, 112, 134, 140, 160, 172, 215, 224, 268, 280, 301, 335, 344, 430, 469, 536, 560, 602, 670, 688, 860, 938, 1072, 1120, 1204, 1340, 1376, 1505, 1720, 1849, 1876, 2144, 2345, 2408, 2680, 2881, 3010, 3440, 3698, 3752, 4690, 4816, 5360, 5762, 6020, 6880, 7396, 7504, 9245, 9380, 9632, 10720, 11524, 12040, 12943, 14405, 14792, 15008, 18490, 18760, 20167, 23048, 24080, 25886, 28810, 29584, 36980, 37520, 40334, 46096, 48160, 51772, 57620, 59168, 64715, 73960, 75040, 80668, 92192, 100835, 103544, 115240, 123883, 129430, 147920, 161336, 201670, 207088, 230480, 247766, 258860, 295840, 322672, 403340, 414176, 460960, 495532, 517720, 619415, 645344, 806680, 867181, 991064, 1035440, 1238830, 1613360, 1734362, 1982128, 2070880, 2477660, 3226720, 3468724, 3964256, 4335905, 4955320, 6937448, 8671810, 9910640, 13874896, 17343620, 19821280, 27749792, 34687240, 69374480, 138748960]

約数ペア:

[(1, 138748960), (2, 69374480), (4, 34687240), (5, 27749792), (7, 19821280), (8, 17343620), (10, 13874896), (14, 9910640), (16, 8671810), (20, 6937448), (28, 4955320), (32, 4335905), (35, 3964256), (40, 3468724), (43, 3226720), (56, 2477660), (67, 2070880), (70, 1982128), (80, 1734362), (86, 1613360), (112, 1238830), (134, 1035440), (140, 991064), (160, 867181), (172, 806680), (215, 645344), (224, 619415), (268, 517720), (280, 495532), (301, 460960), (335, 414176), (344, 403340), (430, 322672), (469, 295840), (536, 258860), (560, 247766), (602, 230480), (670, 207088), (688, 201670), (860, 161336), (938, 147920), (1072, 129430), (1120, 123883), (1204, 115240), (1340, 103544), (1376, 100835), (1505, 92192), (1720, 80668), (1849, 75040), (1876, 73960), (2144, 64715), (2345, 59168), (2408, 57620), (2680, 51772), (2881, 48160), (3010, 46096), (3440, 40334), (3698, 37520), (3752, 36980), (4690, 29584), (4816, 28810), (5360, 25886), (5762, 24080), (6020, 23048), (6880, 20167), (7396, 18760), (7504, 18490), (9245, 15008), (9380, 14792), (9632, 14405), (10720, 12943), (11524, 12040)]