15209520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 47616000

約数和(自身を除く): 32406480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 499, 508, 635, 762, 998, 1016, 1270, 1497, 1524, 1905, 1996, 2032, 2495, 2540, 2994, 3048, 3810, 3992, 4990, 5080, 5988, 6096, 7485, 7620, 7984, 9980, 10160, 11976, 14970, 15240, 19960, 23952, 29940, 30480, 39920, 59880, 63373, 119760, 126746, 190119, 253492, 316865, 380238, 506984, 633730, 760476, 950595, 1013968, 1267460, 1520952, 1901190, 2534920, 3041904, 3802380, 5069840, 7604760, 15209520]

約数ペア:

[(1, 15209520), (2, 7604760), (3, 5069840), (4, 3802380), (5, 3041904), (6, 2534920), (8, 1901190), (10, 1520952), (12, 1267460), (15, 1013968), (16, 950595), (20, 760476), (24, 633730), (30, 506984), (40, 380238), (48, 316865), (60, 253492), (80, 190119), (120, 126746), (127, 119760), (240, 63373), (254, 59880), (381, 39920), (499, 30480), (508, 29940), (635, 23952), (762, 19960), (998, 15240), (1016, 14970), (1270, 11976), (1497, 10160), (1524, 9980), (1905, 7984), (1996, 7620), (2032, 7485), (2495, 6096), (2540, 5988), (2994, 5080), (3048, 4990), (3810, 3992)]