78920800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:873

約数の個数: 144

約数和(自身を含む): 233422560

約数和(自身を除く): 154501760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 68, 70, 80, 85, 100, 112, 119, 136, 140, 160, 170, 175, 200, 224, 238, 272, 280, 340, 350, 400, 425, 476, 544, 560, 595, 680, 700, 800, 829, 850, 952, 1120, 1190, 1360, 1400, 1658, 1700, 1904, 2380, 2720, 2800, 2975, 3316, 3400, 3808, 4145, 4760, 5600, 5803, 5950, 6632, 6800, 8290, 9520, 11606, 11900, 13264, 13600, 14093, 16580, 19040, 20725, 23212, 23800, 26528, 28186, 29015, 33160, 41450, 46424, 47600, 56372, 58030, 66320, 70465, 82900, 92848, 95200, 98651, 112744, 116060, 132640, 140930, 145075, 165800, 185696, 197302, 225488, 232120, 281860, 290150, 331600, 352325, 394604, 450976, 464240, 493255, 563720, 580300, 663200, 704650, 789208, 928480, 986510, 1127440, 1160600, 1409300, 1578416, 1973020, 2254880, 2321200, 2466275, 2818600, 3156832, 3946040, 4642400, 4932550, 5637200, 7892080, 9865100, 11274400, 15784160, 19730200, 39460400, 78920800]

約数ペア:

[(1, 78920800), (2, 39460400), (4, 19730200), (5, 15784160), (7, 11274400), (8, 9865100), (10, 7892080), (14, 5637200), (16, 4932550), (17, 4642400), (20, 3946040), (25, 3156832), (28, 2818600), (32, 2466275), (34, 2321200), (35, 2254880), (40, 1973020), (50, 1578416), (56, 1409300), (68, 1160600), (70, 1127440), (80, 986510), (85, 928480), (100, 789208), (112, 704650), (119, 663200), (136, 580300), (140, 563720), (160, 493255), (170, 464240), (175, 450976), (200, 394604), (224, 352325), (238, 331600), (272, 290150), (280, 281860), (340, 232120), (350, 225488), (400, 197302), (425, 185696), (476, 165800), (544, 145075), (560, 140930), (595, 132640), (680, 116060), (700, 112744), (800, 98651), (829, 95200), (850, 92848), (952, 82900), (1120, 70465), (1190, 66320), (1360, 58030), (1400, 56372), (1658, 47600), (1700, 46424), (1904, 41450), (2380, 33160), (2720, 29015), (2800, 28186), (2975, 26528), (3316, 23800), (3400, 23212), (3808, 20725), (4145, 19040), (4760, 16580), (5600, 14093), (5803, 13600), (5950, 13264), (6632, 11900), (6800, 11606), (8290, 9520)]