68425840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 196416000

約数和(自身を除く): 127990160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 59, 70, 76, 80, 95, 109, 112, 118, 133, 140, 152, 190, 218, 236, 266, 280, 295, 304, 380, 413, 436, 472, 532, 545, 560, 590, 665, 760, 763, 826, 872, 944, 1064, 1090, 1121, 1180, 1330, 1520, 1526, 1652, 1744, 2065, 2071, 2128, 2180, 2242, 2360, 2660, 3052, 3304, 3815, 4130, 4142, 4360, 4484, 4720, 5320, 5605, 6104, 6431, 6608, 7630, 7847, 8260, 8284, 8720, 8968, 10355, 10640, 11210, 12208, 12862, 14497, 15260, 15694, 16520, 16568, 17936, 20710, 22420, 25724, 28994, 30520, 31388, 32155, 33040, 33136, 39235, 41420, 44840, 45017, 51448, 57988, 61040, 62776, 64310, 72485, 78470, 82840, 89680, 90034, 102896, 115976, 122189, 125552, 128620, 144970, 156940, 165680, 180068, 225085, 231952, 244378, 257240, 289940, 313880, 360136, 450170, 488756, 514480, 579880, 610945, 627760, 720272, 855323, 900340, 977512, 1159760, 1221890, 1710646, 1800680, 1955024, 2443780, 3421292, 3601360, 4276615, 4887560, 6842584, 8553230, 9775120, 13685168, 17106460, 34212920, 68425840]

約数ペア:

[(1, 68425840), (2, 34212920), (4, 17106460), (5, 13685168), (7, 9775120), (8, 8553230), (10, 6842584), (14, 4887560), (16, 4276615), (19, 3601360), (20, 3421292), (28, 2443780), (35, 1955024), (38, 1800680), (40, 1710646), (56, 1221890), (59, 1159760), (70, 977512), (76, 900340), (80, 855323), (95, 720272), (109, 627760), (112, 610945), (118, 579880), (133, 514480), (140, 488756), (152, 450170), (190, 360136), (218, 313880), (236, 289940), (266, 257240), (280, 244378), (295, 231952), (304, 225085), (380, 180068), (413, 165680), (436, 156940), (472, 144970), (532, 128620), (545, 125552), (560, 122189), (590, 115976), (665, 102896), (760, 90034), (763, 89680), (826, 82840), (872, 78470), (944, 72485), (1064, 64310), (1090, 62776), (1121, 61040), (1180, 57988), (1330, 51448), (1520, 45017), (1526, 44840), (1652, 41420), (1744, 39235), (2065, 33136), (2071, 33040), (2128, 32155), (2180, 31388), (2242, 30520), (2360, 28994), (2660, 25724), (3052, 22420), (3304, 20710), (3815, 17936), (4130, 16568), (4142, 16520), (4360, 15694), (4484, 15260), (4720, 14497), (5320, 12862), (5605, 12208), (6104, 11210), (6431, 10640), (6608, 10355), (7630, 8968), (7847, 8720), (8260, 8284)]