487760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:100

約数の個数: 80

約数和(自身を含む): 1416576

約数和(自身を除く): 928816

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 182, 208, 260, 268, 280, 335, 364, 455, 469, 520, 536, 560, 670, 728, 871, 910, 938, 1040, 1072, 1340, 1456, 1742, 1820, 1876, 2345, 2680, 3484, 3640, 3752, 4355, 4690, 5360, 6097, 6968, 7280, 7504, 8710, 9380, 12194, 13936, 17420, 18760, 24388, 30485, 34840, 37520, 48776, 60970, 69680, 97552, 121940, 243880, 487760]

約数ペア:

[(1, 487760), (2, 243880), (4, 121940), (5, 97552), (7, 69680), (8, 60970), (10, 48776), (13, 37520), (14, 34840), (16, 30485), (20, 24388), (26, 18760), (28, 17420), (35, 13936), (40, 12194), (52, 9380), (56, 8710), (65, 7504), (67, 7280), (70, 6968), (80, 6097), (91, 5360), (104, 4690), (112, 4355), (130, 3752), (134, 3640), (140, 3484), (182, 2680), (208, 2345), (260, 1876), (268, 1820), (280, 1742), (335, 1456), (364, 1340), (455, 1072), (469, 1040), (520, 938), (536, 910), (560, 871), (670, 728)]