253431040

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1559}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 612218880

約数和(自身を除く): 358787840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 1559, 2032, 2540, 3118, 4064, 5080, 6236, 7795, 8128, 10160, 12472, 15590, 16256, 20320, 24944, 31180, 32512, 40640, 49888, 62360, 81280, 99776, 124720, 162560, 197993, 199552, 249440, 395986, 399104, 498880, 791972, 989965, 997760, 1583944, 1979930, 1995520, 3167888, 3959860, 6335776, 7919720, 12671552, 15839440, 25343104, 31678880, 50686208, 63357760, 126715520, 253431040]

約数ペア:

[(1, 253431040), (2, 126715520), (4, 63357760), (5, 50686208), (8, 31678880), (10, 25343104), (16, 15839440), (20, 12671552), (32, 7919720), (40, 6335776), (64, 3959860), (80, 3167888), (127, 1995520), (128, 1979930), (160, 1583944), (254, 997760), (256, 989965), (320, 791972), (508, 498880), (635, 399104), (640, 395986), (1016, 249440), (1270, 199552), (1280, 197993), (1559, 162560), (2032, 124720), (2540, 99776), (3118, 81280), (4064, 62360), (5080, 49888), (6236, 40640), (7795, 32512), (8128, 31180), (10160, 24944), (12472, 20320), (15590, 16256)]