87078880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:441

約数の個数: 144

約数和(自身を含む): 248209920

約数和(自身を除く): 161131040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 383, 392, 406, 464, 490, 560, 580, 766, 784, 812, 928, 980, 1015, 1120, 1160, 1421, 1532, 1568, 1624, 1915, 1960, 2030, 2320, 2681, 2842, 3064, 3248, 3830, 3920, 4060, 4640, 5362, 5684, 6128, 6496, 7105, 7660, 7840, 8120, 10724, 11107, 11368, 12256, 13405, 14210, 15320, 16240, 18767, 21448, 22214, 22736, 26810, 28420, 30640, 32480, 37534, 42896, 44428, 45472, 53620, 55535, 56840, 61280, 75068, 77749, 85792, 88856, 93835, 107240, 111070, 113680, 150136, 155498, 177712, 187670, 214480, 222140, 227360, 300272, 310996, 355424, 375340, 388745, 428960, 444280, 544243, 600544, 621992, 750680, 777490, 888560, 1088486, 1243984, 1501360, 1554980, 1777120, 2176972, 2487968, 2721215, 3002720, 3109960, 4353944, 5442430, 6219920, 8707888, 10884860, 12439840, 17415776, 21769720, 43539440, 87078880]

約数ペア:

[(1, 87078880), (2, 43539440), (4, 21769720), (5, 17415776), (7, 12439840), (8, 10884860), (10, 8707888), (14, 6219920), (16, 5442430), (20, 4353944), (28, 3109960), (29, 3002720), (32, 2721215), (35, 2487968), (40, 2176972), (49, 1777120), (56, 1554980), (58, 1501360), (70, 1243984), (80, 1088486), (98, 888560), (112, 777490), (116, 750680), (140, 621992), (145, 600544), (160, 544243), (196, 444280), (203, 428960), (224, 388745), (232, 375340), (245, 355424), (280, 310996), (290, 300272), (383, 227360), (392, 222140), (406, 214480), (464, 187670), (490, 177712), (560, 155498), (580, 150136), (766, 113680), (784, 111070), (812, 107240), (928, 93835), (980, 88856), (1015, 85792), (1120, 77749), (1160, 75068), (1421, 61280), (1532, 56840), (1568, 55535), (1624, 53620), (1915, 45472), (1960, 44428), (2030, 42896), (2320, 37534), (2681, 32480), (2842, 30640), (3064, 28420), (3248, 26810), (3830, 22736), (3920, 22214), (4060, 21448), (4640, 18767), (5362, 16240), (5684, 15320), (6128, 14210), (6496, 13405), (7105, 12256), (7660, 11368), (7840, 11107), (8120, 10724)]