128097760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{16339}}^1$

素因数の和:16368

約数の個数: 72

約数和(自身を含む): 352061640

約数和(自身を除く): 223963880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 16339, 32678, 65356, 81695, 114373, 130712, 163390, 228746, 261424, 326780, 457492, 522848, 571865, 653560, 800611, 914984, 1143730, 1307120, 1601222, 1829968, 2287460, 2614240, 3202444, 3659936, 4003055, 4574920, 6404888, 8006110, 9149840, 12809776, 16012220, 18299680, 25619552, 32024440, 64048880, 128097760]

約数ペア:

[(1, 128097760), (2, 64048880), (4, 32024440), (5, 25619552), (7, 18299680), (8, 16012220), (10, 12809776), (14, 9149840), (16, 8006110), (20, 6404888), (28, 4574920), (32, 4003055), (35, 3659936), (40, 3202444), (49, 2614240), (56, 2287460), (70, 1829968), (80, 1601222), (98, 1307120), (112, 1143730), (140, 914984), (160, 800611), (196, 653560), (224, 571865), (245, 522848), (280, 457492), (392, 326780), (490, 261424), (560, 228746), (784, 163390), (980, 130712), (1120, 114373), (1568, 81695), (1960, 65356), (3920, 32678), (7840, 16339)]